You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Sandra Lee.

ASSISTANT: How may I aid you today?

USER: I have a plan to visit Golden Gate Bridge in San Francisco, can you please help me for booking?

ASSISTANT: Certainly, I will help you with that. Can you please mention your preferable airport code names?

USER: My source airport code is BOS and destination airport code is SFO.

ASSISTANT: Could you please let me know your travel dates for booking flight ticket?

USER: My travelling dates are 04/22 and 04/24.

ASSISTANT: Ok, please wait a moment, I will check flight availability.

USER: Make sure that my connection limit should be 1.

ASSISTANT: Sure. I found a flight as per your requested details, airline is Spirit and flight number is 1009. Can I confirm this flight ticket for you?

USER: Ok, please proceed for booking.

ASSISTANT: Your flight ticket has been booked successfully.

USER: Thank you for booking.

ASSISTANT: Thank you for contacting us, happy journey.

USER: Welcome.