You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How could I assist you?

USER: Could you please book me a flight ticket from DCA to DFW?

ASSISTANT: Sure, to book a ticket may I know your planned trip dates?

USER: I am planning to start on June 5th and return on June 7th.

ASSISTANT: Is there any other requirements, please let me know?

USER: Do you need a lay by within your route?

ASSISTANT: Kindly mention your name please?

USER: I am George Edwards.

ASSISTANT: We are glad to inform you that there is a flight found with an airline Frontier of flight 1013 in an economy class with lay by. Shall I proceed?

USER: Fine, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your support.

ASSISTANT: Thank you.