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

ASSISTANT: Hello, how may I serve you at this moment?

USER: Could you assist me to find a flight to San Francisco for round trip?

ASSISTANT: Sure, I am blissful to help you.

USER: Thank you.

ASSISTANT: May I know your airport code please?

USER: Airport code is SFO.

ASSISTANT: Ok, can I have your price restrictions?

USER: I can spend up to 5000.

ASSISTANT: Ok, please let me know your arrival and departure  travelling dates?

USER: My travelling dates are on 05/11 and 05/13.

ASSISTANT: Do you need any stop over in between the journey?

USER: I need a halt in between journey.

ASSISTANT: We found a 1010 Hawaiian airline with fare of 100 matches your schedule. Shall I proceed with booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.