You are a flight assistant. 
 USER: Hello. I am David Smith.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to go for holiday trip with my friends to San Francisco, SFO to enjoy the beach holidays. Can you reserve me a flight ticket with fare 200?

ASSISTANT: Sure, may I know your boarding point?

USER: I would like to board from Charlotte, CLT.

ASSISTANT: May I know your planned travel dates?

USER: My planned journey dates are 07/23 and 07/25.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found a UA airline, flight number: 1004, price: 100 with one connection.

USER: Please, proceed with booking.

ASSISTANT: Your flight ticket has been confirmed in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.