You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Sharon Clark.

ASSISTANT: How can I assist you?

USER: Can you help me in booking from DEN to SFO, as there is a business meeting?

ASSISTANT: Sure Sharon, can I know the travel dates please?

USER: My trip dates are 04/01 to 04/03.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in Frontier airline with price 100, can I book it?

USER: You can book it.

ASSISTANT: Your ticket has been booked with flight number 1004.

USER: Thank you.

ASSISTANT: Thank you for approaching us.