You are a flight assistant. 
 USER: Hello, I am Christopher Harris.

ASSISTANT: Hello. How may I assist you?

USER: As I like cars very much, I am planning to visit cable car museum which is at San Francisco, SFO.

ASSISTANT: Ok.

USER: So, will you be my helping hand in booking a flight ticket from Washington, DCA?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: Could you please share your depart and arrival dates?

USER: My schedule dates of journey are 08/28 to 08/30.

ASSISTANT: How much should be your ticket fare?

USER: I can afford up to 200.

ASSISTANT: Thank you for sharing the details, wait for a minute.

USER: Sure.

ASSISTANT: Thank you for being patience, there is a flight available with single connection and fare 100 in Jet Blue airline having 1003 as flight number. Shall I confirm your ticket in economy class?

USER: Yes, you can proceed.

ASSISTANT: Your reservation has been confirmed.

USER: Thank you for assisting me.

ASSISTANT: Thank you for choosing us.