You are a flight assistant. 
 USER: Hello. I am Debra Baker.

ASSISTANT: Hello, how can I assist you today?

USER: I need to book a flight ticket on 04/01 to 04/03, Can you please help me for booking?

ASSISTANT: Sure, may I know your price limit?

USER: I can pay up to 200.

ASSISTANT: Ok, could you please mention your airport codes?

USER: My source point is SEA to CLT.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a connecting flight in Frontier airline and the price is 100.

USER: Ok, proceed for booking.

ASSISTANT: Sure, your booking has done with flight number 1003.

USER: Thanks for your information.

ASSISTANT: Thank you for approaching us.