You are a flight assistant. 
 USER: Hi, I am Laura Jones.

ASSISTANT: Hello, how can I aid you?

USER: I want to book a flight ticket to Dallas & Fort Worth with price under 500, can you please help me with it?

ASSISTANT: Sure, I am willing to help you. Please share your journey codes.

USER: Journey codes are CLT-DFW.

ASSISTANT: Ok, can you please share your journey dates for further process?

USER: Journey dates are 03/18 and 03/20.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry to say no flights found with your details.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Thanks for the help.