You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you help me in booking my flight ticket from Jan 19th to Jan 21st?

ASSISTANT: Sure, please share me your source and destination points.

USER: My airport codes are from IAD to HOU.

ASSISTANT: Is there any class preference for you?

USER: I am ok, with any class.

ASSISTANT: May I know your airline preference?

USER: I am ok, with the normal cost airline.

ASSISTANT: Do you have any connection limit?

USER: I need a single connection flight.

ASSISTANT: Do you have any other specifications?

USER: My return time is in the afternoon.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found an airline: Hawaiian, flight number: 1007 and price is 200 with one connection. Shall I proceed to booking in business class?

USER: Sure, you can.

ASSISTANT: Your good name please.

USER: I am Ashley Taylor.

ASSISTANT: Your flight ticket has been reserved. Your arrival time is 16:00PM.

USER: Thank you so much for your effective service.

ASSISTANT: Thank you for reaching us.