You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please reserve a flight ticket with the name of Charles Jackson to Dallas & Fort Worth, DFW?

ASSISTANT: Sure, from which airport you are willing to travel?

USER: I am planning to start my journey from Washington, IAD.

ASSISTANT: Could you please share your travelling dates?

USER: My preferable dates of journey are 07/01 and 07/03.

ASSISTANT: Do you have any other specifications?

USER: Yes, there should be a lay by.

ASSISTANT: Thanks for sharing your details, we found a flight in Frontier airlines with a fare of 200. The flight number is 1001.

USER: You can proceed to book this flight.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.