You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anna Lopez. I would like to travel from CO - DEN to CA - SFO.

ASSISTANT: Ok, can you please tell me how can I assist you?

USER: Can you help me to book a flight ticket?

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are 10/31 and 11/02.

ASSISTANT: Here is a flight with connection limit 1 and airline UA.

USER: Yes, proceed it for booking.

ASSISTANT: Your ticket has been booked with 1000 number, price 100.

USER: Thank you for the information.

ASSISTANT: Thank you for contacting us.