You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Janet Young here.

ASSISTANT: Nice to meet you Janet.

USER: I am planning to book a flight ticket from ATL to IAH. Could you please help me with booking the flight ticket?

ASSISTANT: Ok, now please share your travel dates?

USER: My planned journey dates are from 11/11 to 11/3. Sorry my return dates is 11/13.

ASSISTANT: Thanks for waiting. But I am sorry to say that there are no flights available.

USER: That's fine, no problem.

ASSISTANT: Thank you.

USER: Thank you for searching.