You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ryan Brown.

ASSISTANT: How can I assist you?

USER: Can you help me in booking from DCA to SEA, owing an emergency?

ASSISTANT: Yes, I will help you with that. May I know your travel dates to book?

USER: My trip dates are 01/13 to 01/15.

ASSISTANT: Ok, please wait. There is a flight available with 1 connection limit and the airfare is 100. Can I book?

USER: You can reserve it.

ASSISTANT: Ok, the flight is been confirmed and the airlines is UA.

USER: Thank you.

ASSISTANT: Ok, thank you choosing our agency. The flights is 1015.