You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Nichole Williams here. Please help me out in booking the ticket from LAX to CLT.

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My trip dates will be 11/19 and 11/21.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no flights found under your preferable details.

USER: That's ok, anyways thank you.

ASSISTANT: Welcome, have a great day.