You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am looking for a flight from CLT to EWR, can you help me in booking?

ASSISTANT: Sure, please share me your trip dates.

USER: Sure, my planned travel dates are Jan 10 and Jan 12.

ASSISTANT: Do you need direct flight or connecting flight?

USER: Please look for a connecting flight.

ASSISTANT: May I know your class preferences?

USER: I'm fine with any of the class preference.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Sure, Lisa Thompson is my name.

ASSISTANT: Please share me your other specifications.

USER: I don't have any other specifications to be met.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

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

ASSISTANT: Thank you for reaching us.