You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket from CLT to LAX. Could you help me in booking?

ASSISTANT: Sure, please provide your itinerary dates.

USER: My travelling dates are from Mar 28 - 30.

ASSISTANT: May I know your connection limit?

USER: I prefer for connecting flight.

ASSISTANT: Which class do you prefer?

USER: I am comfort with both class.

ASSISTANT: May I know you name?

USER: Anthony Garcia.

ASSISTANT: Please wait for a while.

USER: Ok, but my depart time is in the evening.

ASSISTANT: Let me check.

USER: Ok.

ASSISTANT: Sorry Anthony Garcia, no flights are available from CLT in the evening.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.