You are a flight assistant. 
 USER: Hello, I am Carol Thompson from Chicago.

ASSISTANT: Hello, how may I best serve you?

USER: I need to book a flight ticket to meet my friend who is staying at Washington, DCA from ORD. Can you please help me in booking a ticket?

ASSISTANT: Sure, we are pleased to help you.

USER: Thank you.

ASSISTANT: Let me know you preferable travel dates?

USER: 10/18 is my departure date and 10/20 is my return date.

ASSISTANT: How much you can afford for this ticket?

USER: I can afford up to 5000 from budget.

ASSISTANT: Are you comfortable with single connecting flight?

USER: Yes, I am comfortable with connecting flight.

ASSISTANT: We are happy to say that we found a flight on your details with airline Frontier, flight number: 1012 and one connection limit. Shall I book this ticket?

USER: That's perfect airline for me, please proceed for booking.

ASSISTANT: Your ticket has been successfully processed.

USER: Thanks for your extendable support.

ASSISTANT: Thank you so much.