You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kenneth Young here.

ASSISTANT: How may I assist you at this moment?

USER: I want to head to Charlotte,  CLT from Washington, IAD to meet my family doctor. Can you please reserve me a flight ticket?

ASSISTANT: Ok, I am glad to help you with that. Can I know your travelling dates?

USER: Thank you, my trip dates are 06/02 - 06/04.

ASSISTANT: Do you have any other preference?

USER: I need a single connection.

ASSISTANT: May I know your class preference?

USER: I do not have any class preferences.

ASSISTANT: The United airlines are providing a flight having a connection limit 1 and the ticket fare of 100. Can I proceed with the ticket booking?

USER: Please reserve.

ASSISTANT: Your ticket is confirmed in an economy class and the flight number is 1029.

USER: Thank you.

ASSISTANT: Thank you for reaching us. Have a safe journey.