You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you?

USER: I am Jonathan Anderson.

ASSISTANT: Nice to meet you Jonathan.

USER: I am planning to travel from CLt to ATl, can you help in booking a flight ticket?

ASSISTANT: Sure. Ok, now please share your travel dates?

USER: My travelling dates are 09/01 to 09/03.

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

USER: That's ok, thank you.

ASSISTANT: Thank you.