You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Christopher walker. I planned a trip for Boston.So, I want to travel from Houston to Boston. Will you help me in booking a ticket for me?

ASSISTANT: Sure, when would you like to travel?

USER: My travelling dates are 11/19 and 11/21.

ASSISTANT: OK, could you please provide airport codes that you want to travel?

USER: My airport codes are from IAH to BOS.

ASSISTANT: I have found a flight as per your request.

USER: OK, make sure that my connection limit should be 1.

ASSISTANT: Flight no 1018 from Southwest airline is matching with your request with a price of 100 only. Shall I proceed for booking?

USER: Sure, continue my booking.

ASSISTANT: Your ticket has been successfully confirmed.

USER: Thank you.

ASSISTANT: Thank you, have a safe journey.