You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Samuel Wright.

ASSISTANT: Samuel, how can I assist you today?

USER: I have kept a mansion for sale at New York, the other party has come for agreement. So, I would like to go there to set the deal. Could you help me in booking a ticket to New York?

ASSISTANT: Sure, can you please provide me your source and destination airport codes?

USER: They are AUS and EWR respectively.

ASSISTANT: Ok, may I know your journey dates?

USER: I would like to travel on dates 05/05 and 05/07.

ASSISTANT: Flight-1023 of Spirit airlines is available with ticket fare 300 only. Can I book your ticket?

USER: Sure, please book the ticket.

ASSISTANT: Sure, your ticket is booked successfully and happy journey.

USER: Thank you for your quick service.

ASSISTANT: Thank you for contacting us.