You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am an radar engineer, unfortunately San Francisco's second terminal was damaged so I need to solve this problem. So, for that purpose I need to go to there. Will you help me in booking?

ASSISTANT: Sure, I can help you.

USER: Ok.

ASSISTANT: May I know your name?

USER: My name is Robert Davis.

ASSISTANT: Provide me your airport codes.

USER:  Sure, my source airport is Denver, CO - DEN.

ASSISTANT: When would you like to travel?

USER: My destination airport is San Francisco, CA - SFO. My travelling dates are from 04/10 to 04/12.

ASSISTANT: We  found a JetBlue airline, flight number:1000 and the price is 100. Can I reserve it?

USER: You can reserve it.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.