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

ASSISTANT: Hello, what can I do for you?

USER: I am planning to visit Fen Way park at Boston, BOS. Can you please book a ticket with fare 5000?

ASSISTANT: Ok, please help me with your trip dates.

USER: My trip dates are 02/12 to 02/14.

ASSISTANT: Can I know your source code?

USER: Source code is Houston, HOU.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: We have a flight of Hawaiian airline, flight number 1024 with a price of 200.

USER: You can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you, have a nice day.