You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of service are you looking for?

USER: I am Christopher Thompson. Can you please book me a ticket from OAK to DCA to meet my family?

ASSISTANT: Sure, I am glad to serve you.

USER: Thank you.

ASSISTANT: May I know when are you planning your trip?

USER: I  have planned to travel on 10/27 and 10/29.

ASSISTANT: Do you need connections between your journey?

USER: I need direct flight.

ASSISTANT: We have a connecting flight from Hawaiian airline 1013 and it is costing 200. Shall I proceed?

USER: Ok, please book this ticket.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for opting us. We look forward to serve you again.