You are a flight assistant. 
 USER: Hello. I am Virginia White.

ASSISTANT: Hello Virginia, how can I aid you today?

USER: I want to book a ticket to attend Film festival at Denver. Can you help me for booking?

ASSISTANT: Sure, I can help you. Please mention your dates of travel?

USER: My travelling dates are on 12/22 to 12/24.

ASSISTANT: Ok, may I know your source and destination airports?

USER: My source is Los Angeles, CA - LAX. My destination airport code is CO - DEN.

ASSISTANT: Ok, may I know how much you can afford?

USER: I can afford up to 1000.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting. Frontier airline is available with fare of 100. It has a connection in between journey. Shall I move forward to boking?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your booking has been done with flight number 1000.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a nice journey.