You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dennis Garcia.

ASSISTANT: Dennis Garcia. How may I help you?

USER: I am planning to attend music concert at DFW, can you please help me with booking a flight ticket from CLT?

ASSISTANT: Sure, can you provide me with the travel dates?

USER: Sure, I would like to take off on Apr 21 and return on Apr 23.

ASSISTANT: Give me a moment please.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: JetBlue airlines with flight 1027 is providing service on your route with single connection.

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is booked in the economy class with the cost of 200.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.

USER: You are welcome.