You are a flight assistant. 
 USER: Hello, I am Daniel Adams.

ASSISTANT: Hello, how may I support you?

USER: As I am a doctor, I want to attend an emergency surgery in San Francisco, CA - SFO. Can you book a direct flight?

ASSISTANT: Sure, I can help you with booking. Please forward your source?

USER: I start from Orlando, FL - MCO.

ASSISTANT: Can you please share your travel dares?

USER: My dates are from 03/20 to 03/22. The price should not exceed 5000.

ASSISTANT: Ok, please wait a while. I will check and let you know.

USER: Sure.

ASSISTANT: Thanks for waiting. We found a flight with airline UA and airline number is 1007 which matches your requirements. Shall I proceed for booking?

USER: You can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for helping.

ASSISTANT: Thank you for opting our service.