You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I guide  you?

USER: I am Jonathan Lewis and I would like to book a flight ticket within the fare limit 200 from Seattle to visit Fisherman's Wharf in San Francisco. Can you please help me in booking?

ASSISTANT: Sure, I can help you. Can I know your travelling dates?

USER: I need to depart on May 23th and my return date will be on May 25th.

ASSISTANT: Do you have any class preference?

USER: I am comfortably with any class.

ASSISTANT: Please share me your source and destination airport codes.

USER: My source airport code is SEA and my destination airport code is SFO.

ASSISTANT: Please let me know if you need a  connecting flight.

USER: Yes, I need a connecting flight in between my journey.

ASSISTANT:  Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Sure.

ASSISTANT: We found a Hawaiian airline, flight number:1003 and the price is 100.

USER: Everything is fine, you can proceed with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for consulting us.