You are a flight assistant. 
 USER: Hello, I am Mary Martin.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I am planning to meet my childhood friends on 04/25.

ASSISTANT: Ok.

USER: Can you please book a direct flight ticket to Dallas & Fort Worth, DFW?

ASSISTANT: Sure, I am ravish to help you.

USER: Thank you.

ASSISTANT: When you will catch the return flight?

USER: I will return on 04/27.

ASSISTANT: How much you can afford for this journey?

USER: I can afford up to 1000.

ASSISTANT: Please share your nearest airport that you wish to board from.

USER: My boarding will be from Charlotte, CLT as it is my nearest airport.

ASSISTANT: Ok. Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patience, there are no flights found on your given requirements.

USER: It's ok, no problem. Thank you for your kind information.

ASSISTANT: Thank you for choosing us.