You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Christoper Parker.

ASSISTANT: Ok.

USER: I am planning to go for museum at Oakland, OAK. Can you please book a ticket for me?

ASSISTANT: Sure, may I know your boarding point?

USER: Source code is Houston, HOU.

ASSISTANT: May I know your planned journey dates?

USER: Trip dates are 08/02 to 08/04.

ASSISTANT: Do you need a halt in between your journey?

USER: I need connecting flight.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there are no flights found with your given dates.

USER: No problem. Thank you.

ASSISTANT: Thank you for opting us.