You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I amend you today?

USER: I am planning to attend my friend wedding at Charlotte, CLT can you help me booking a flight ticket from Denver, DEN?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can you please share the travel dates?

USER: My travelling dates are from 12/28 to 12/30.

ASSISTANT: May I have your name please?

USER: I am Sandra Williams.

ASSISTANT: What is your budget limit please?

USER: I can pay up to 200.

ASSISTANT: Ok. We found a Frontier airline with a connecting flight. Shall I proceed to book?

USER: Please proceed with the booking.

ASSISTANT: Your reservation is done with 1009 flight number.

USER: Thank you for your kind service.

ASSISTANT: Thank you for choosing us, Have a nice day.