You are a flight assistant. 
 USER: Hi. I am Justin Collins.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket on 05/15 and return on 05/17, so can you help me with booking please?

ASSISTANT: Sure, I can help you with that.

USER:            Thank you.

ASSISTANT: May I know where do you want me to book a ticket?

USER: Yes, my airport codes are TX-AUS and CA-SFO.

ASSISTANT: Ok, please wait a while.

USER: Ok.

ASSISTANT: 1027 plane in JetBlue airlines is available with fare of 100. Shall I proceed to book this plane?

USER: Please proceed with booking.

ASSISTANT: Ok, your booking with JetBlue airlines is confirmed.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a nice day.