You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Alexander Wilson.

ASSISTANT: How may I help you?

USER: I have a meeting to attend at Washington. Can you help me in booking a ticket from Houston?

ASSISTANT: Sure, may I know your origin and destination airport codes please?

USER: They are HOU and DCA respectively.

ASSISTANT: Can I have your journey dates please?

USER: My planned journey dates are 08/11 and 08/13.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: I found a flight for you in JetBlue airlines with price 800. Can I proceed?

USER: Details seems fine, please book the ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1019.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing our service.