You are a flight assistant. 
 USER: Hello. I am Deborah Lee.

ASSISTANT: Hello, how can I serve you now?

USER: I want to visit to my grandmother's house for holidays. I want to book a flight from IAH to ATL.

ASSISTANT: Sure, I will help you with booking. Please provide me on what dates would you like to travel to meet your grand mother?

USER: Depart date is 05/16 and return date is 05/18.

ASSISTANT: Do you have any budget for flight ticket?

USER: My budget is 5000.

ASSISTANT: Do you want any halt in between the journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Please wait for a moment, while I search for the flight.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a flight of Airline UA, flight number is 1010 and price is 200.

USER: Ok, confirm the ticket.

ASSISTANT: Do you like to travel on flight 1010? Sure.

USER: Yes.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for best service.

ASSISTANT: Thank you for reaching us, have a nice journey.