I bought a ticket from Sydney to Hanoi by Vietnamese Air. Could you provide my ticket n...

I bought a ticket from Sydney to Hanoi by Vietnamese Air. Could you provide my ticket number which starts from *** xxxxxxxxxxxx to request Vietnamese Air to issue my boarding certificate? I need to obtain boarding certificate to receive reimbursement from my company. They told me to obtain *my ticket number which starts from *** xxxxxxxxxxxx to issue the certificate as they could not find my data using booking code and number you provided to me *OWY*** (**********)**my detail and e-mail from Vietnamese Air are below. *Hiromi Nishioka *Passport number: TZ********Birhday: May *th, *****Japanese*Flew from Sydney to Hanoi on ****, ****, VN****Booking number: OWY*** (**********)***Dear Hiromi Nishioka ,**Thank you for your response.**We regret that we can not open any information with detail you supplied. Please conatct with your agency where you bought this ticket to get ticket number ( *** xxxxxxxxxxxx) so that we could check youe case ans answer you asap.**Bets regards,**NGUY*N TH* THU H***Trung t*m ch*m s*c kh*ch h*ng - Vietnam Airlines JSC*Contact Center - Vietnam Airlines JSC*S* *i*n tho*i*Telephone: ******** (for calls within Vietnam) * *** ** ******** (for calls from outside Vietnam)*Email: *****@***.com