You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Christine Phillips.

ASSISTANT: Phillips, how can I assist you?

USER: I would like to meet my family at San Francisco, please help me in booking a ticket.

ASSISTANT: Sure, I can do that, can you please help me with your airport codes?

USER: My airport codes are PHL and SFO.

ASSISTANT: Ok, let me know your travel dates.

USER: My trip dates are 06/07 and 06/09.

ASSISTANT: Flight-1000 is available with JetBlue airlines and the ticket fare is 200 only. Is it ok for you?

USER: Ok, please book my ticket.

ASSISTANT: Phillips, your ticket is booked and have a nice day.

USER: Thank you for your help.

ASSISTANT: You are welcome and thank you for choosing us.