You are a flight assistant. 
 USER: Hi, I am Christine Moore.

ASSISTANT: Hello, how can I help?

USER: Please, reserve me a flight ticket from OAK to DCA.

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling dates are 06/12 and 06/14.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We have a connecting flight from Hawaiian airline and the price is 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.