You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I serve you?

USER:  I want to travel to Cape Flattery for a vacation at Washington, DC-DCA. Can you book a connecting flight?

ASSISTANT: Sure, May I know the source code?

USER: I will depart from San Francisco, CA-SFO.

ASSISTANT: Please help me with your journey dates.

USER: My travel dates are 05/09 and 05/11.

ASSISTANT: Can I get your name?

USER: I am Catherine Harris.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: We have found a flight from Hawaiian airline with the flight number 1028. Price 200 with one connection.

USER: Ok, you can poceed.

ASSISTANT: Shall I proceed?

USER: Ok.

ASSISTANT: Your ticket has been reserved.

USER:  Thank you for booking.

ASSISTANT: Thank you.