You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Will you help me in booking a flight ticket from IAH to CLT?

ASSISTANT: Sure, may I know your itinerary dates?

USER: I will start on Apr, 4 and return on Apr, 6.

ASSISTANT: May I know your name?

USER: Charles Robinson here.

ASSISTANT: Which class do you prefer?

USER: I am comfortable with any class.

ASSISTANT: Do you have any specifications?

USER: I am looking for connecting flight.

ASSISTANT: Please hold on for a while.

USER: Sure.

ASSISTANT: UA airlines with flight 1003 is providing a connecting flight and ticket costs you 200 in economy class.

USER: Please proceed.

ASSISTANT: Your ticket is confirmed Charles Robinson.

USER: Thank you.

ASSISTANT: Thank you for reaching us.