You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to book a ticket from CLT to ORD. Can you please help me out?

ASSISTANT: Sure, I can help you. May I know your name?

USER: My name is Gary Clark.

ASSISTANT: Thank you. Please let me know your travel dates.

USER: I am planning to travel on Mar 27 and retrun Mar 29.

ASSISTANT: Do you prefer for a connecting flight or a direct flight?

USER: I am looking for a connecting flight.

ASSISTANT: Noted, please let me know your other requirements.

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a flight having single connection in Hawaiian Airlines and the ticket fare is 300 only in economy class. Flight departs at 4:00 hours and arrives at 22:00 hours. Can I book the ticket for you?

USER: That's fine, please proceed the booking.

ASSISTANT: Your ticket is booked and your flight number is 1020.

USER: Thank you for your service.

ASSISTANT: You are most welcome.