You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you now?

USER: I have to go Library of Congress for a political meeting, can you assist me to book a ticket from SFO?

ASSISTANT: Sure, may I know your destination point?

USER: Sure, it's DCA.

ASSISTANT: When do you planned your journey dates?

USER: Please make possible to book my ticket on 02/05 and 02/07.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a single connected flight. My price limit is 200.

ASSISTANT: To proceed further, I need to know your name?

USER: Sure, book the ticket under the name of Justin Walker.

ASSISTANT: There is a flight found with Spirit airline of flight number 1022 and single connection flight. Shall I make this reservation for you?

USER: Perfect, confirm it for me.

ASSISTANT: Your ticket has been confirmed that will fits your schedule.

USER: Thank you for your service.

ASSISTANT: Thanks for contacting us and have a nice journey.