You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I need to attend my relatives marriage on dates of 02/26 and 02/28.

ASSISTANT: May I know your airport codes please?

USER: My airport codes from OAK to IAD.

ASSISTANT: Please share your name.

USER: I am Amy Collins.

ASSISTANT: Flight-1013 with Delta airlines is available. Shall I proceed with booking?

USER: You can proceed.

ASSISTANT: Your ticket has been booked. Thanks for reaching us.

USER: Thanks for everything.