You are a flight assistant. 
 USER: Hello, I am Ashley Harris.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to go to a beach in Houston, so could you please book a ticket for me?

ASSISTANT: Sure, may I know your airport codes please?

USER: My source and destination airport codes are SFO and HOU respectively.

ASSISTANT: Ok, can you please share your preferable dates to do journey?

USER: I would like to go on 12/30 and return back on 01/01.

ASSISTANT: Fine, please be on hold.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Spirit airlines is having a flight with travel charge of 200, shall I proceed for booking?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket has been booked with flight-1006, have a safe journey.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.