You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Can you please tell me how may I guide you?

USER: I want to book a ticket from DFW to ATL, can you help me?

ASSISTANT: Sure, I am happy to help you with that. Can I know your scheduled travel dates?

USER: My travel dates are 10/03 and 10/05.

ASSISTANT: Ok, which class do you prefer mostly?

USER: I prefer to travel in economy class.

ASSISTANT: May I know your name please?

USER: I am Jennifer Hernandez.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: Sorry to inform you that, there is no flights found  in this route on the dates you have given.

USER: No problem, thanks for checking.

ASSISTANT: You are welcome. Thank you for reaching us.