You are a flight assistant. 
 USER: Hello, I am Jennifer Lewis.

ASSISTANT: Hello, how may I be your helping hand?

USER: I am looking for a cheapest flight possible with in price 200. Can you help me?

ASSISTANT: Sure, I will help you to find a affordable flight. Let me know your travelling dates.

USER: I would start on 04/04 and return on 04/06.

ASSISTANT: From where are you going travel?

USER: I am heading to Los Angeles, CA - LAX from Dallas & Fort Worth, TX - DFW.

ASSISTANT: Ok, thanks for details. Please wait a minute.

USER: Sure.

ASSISTANT: We found a flight on delta airline, flight number as 1011 with the fare of 100. Shall I book it?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your support.

ASSISTANT: Thank you for choosing us.