You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me to book a flight ticket from IAH to BOS?

ASSISTANT: Sure, may I know your name please?

USER: Edward Lee here.

ASSISTANT: May I know on which dates you are willing to travel?

USER: My travelling dates are Jan 27 to Jan 29.

ASSISTANT: May I know your class preference please?

USER: I am comfortable with any class.

ASSISTANT: May I know your preferable time for journey?

USER: No.

ASSISTANT: May I know your connection limit please?

USER: I need a single connection of flight.

ASSISTANT: There is a connecting flight of fare 100 with economy class in Spirit airline, shall I proceed for booking?

USER: Ok, please proceed to book.

ASSISTANT: Your ticket has been confirmed with flight number 1009.

USER: Thanks for your booking.

ASSISTANT: You are welcome.Thank you for reaching us.