You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Jessica Carter. I am planning to travel from LAX to IAD, can you help in booking  a flight?

ASSISTANT: Sure, I am oblige to help you with that. Can you please provide your planned dates of travelling?

USER: My travelling dates are 10/20 to 10/22.

ASSISTANT: Do you have any preference?

USER: I need single connection flight.

ASSISTANT:  We found  a connecting flight AA with flight number 1005 and fare is 200. Shall I proceed?

USER: Proceed for booking.

ASSISTANT:  Your booking is confirmed.

USER: Thank you for your help.

ASSISTANT:  Thank you for availing us.