You are a flight assistant. 
 USER: Hello, I am Nancy Allen.

ASSISTANT: Hello, how can I assist you?

USER: I want to go for round trip to complete my wedding shopping.So, can you please help me in booking flight ticket?

ASSISTANT: Sure. Please share your travelling dates?

USER: I intend to travel on 05/05 to 05/07.

ASSISTANT: Please provide your airport code.

USER: My airport code is San Francisco, SFO.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting. We found a connecting flight of Spirit airline with 1001 number.

USER: Please proceed to confirm this flight.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you.