You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gary King.

ASSISTANT: How can I assist you today?

USER: I am planning to visit Boston, can you please book me the ticket from IAH to BOS?

ASSISTANT: Sure, I can help you with that. May I know your preferable travel dates please?

USER: My preferable journey dates are from 10/12 to 10/14.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your own time.

ASSISTANT: Spirit airlines is having a flight on that route with ticket fare of 200, shall I proceed for booking?

USER: Please book my ticket with this airlines.

ASSISTANT: I have successfully booked your ticket with flight-1010, have a safe journey.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.