You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you today?

USER: I want to go for a trip with my family to New York, NY - EWR. Can you book a ticket under a fare of 200?

ASSISTANT: Sure, may I know your good name?

USER: Dorothy Adams is my name.

ASSISTANT: Please share me your airport code?

USER: Chicago, IL - ORD is my source airport.

ASSISTANT: Do you have any restriction on connection?

USER: Yes, must have single connection only.

ASSISTANT: Please provide me your journey dates?

USER: My depart day is on 12/17 and return day is on 12/19.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, I found  a flight of Frontier with flight number 1029 and price is 100. Shall I book the flight ticket for you?

USER: Please book a ticket.

ASSISTANT: Ok. Your flight ticket has been booked.

USER: Thank you for your positive response.

ASSISTANT: Thank you have a safe journey.