You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Susan Johnson.

ASSISTANT: What assistance you are expecting from us?

USER: I have to travel San Francisco to give a seminar in electronic and components to the university students, can you help me in book a flight ticket from DEN to SFO?

ASSISTANT: Sure, I will search a flight for you.

USER: Thank you.

ASSISTANT: Please let me know your travelling dates to get the exact flight.

USER: I am planning to travel in the month of October, so I planned my dates on 10/19 and back on 10/21.

ASSISTANT: Ok, please give me a minute.

USER: Sure, take your own time.

ASSISTANT: Based on your requested dates, I found a flight with single connection and the ticket fare is 200. Shall I proceed with booking process?

USER: Yes, I am happy to travel in the flight which you have provided, please proceed.

ASSISTANT: Ok, I have confirmed your ticket with the flight number 1000 and the airlines is UA.

USER: Thank you for taking my trouble and helping me out in my ticket booking.

ASSISTANT: That's my pleasure. Thank you for connecting with us.

USER: Welcome.