You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Cynthia Garcia.

ASSISTANT: How may I help you?

USER: I have a concert to attend at Washington. Can you help me in booking a ticket from SEA to DCA?

ASSISTANT: May I know your journey dates please?

USER: I am planning my journey on dates 05/19 and 05/21.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for your waiting, I found a flight for you in JetBlue airlines with price 100. Can I proceed?

USER: Ok, please book the ticket.

ASSISTANT: Ok, your booking is done with flight number 1007.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.