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 PHL, can you help me in booking the flight ticket from Charlotte?

ASSISTANT: Sure, please share me your trip dates.

USER: Sure, my planned travel dates are Jan 08 and Jan 10.

ASSISTANT: Is there any class preferences for you?

USER: No, I'm fine with any of the class.

ASSISTANT: May I know your airline specifications?

USER: No, I don't need any airline preferences.

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

USER: Myself Kenneth Walker.

ASSISTANT: We found a UA airlines and 1003 is flight number with a fare of 100. Shall I proceed?

USER: That's fine, please proceed in booking if it is a connecting flight.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.