You are a flight assistant. 
 USER: Hi, I am Robert Jackson.

ASSISTANT: Hello,. How may I aid you?

USER: I would like to go to New York to visit Top of the Rock Observation Deck with my school friends, can you book a ticket with fare 200?

ASSISTANT: Sure, May I know your journey dates for further process?

USER: Sure, I want to travel on 03/07 and 03/09.

ASSISTANT: Do you need any connections within your journey?

USER: Yes, I am looking for a single connection in between journey.

ASSISTANT: Can you provide your journey codes?

USER: Sure, my origin and destination codes are from DEN to EWR.

ASSISTANT: Thank you for the information, we found a flight with Delta as airline and 1003 as flight number. Shall I proceed with booking?

USER: Yes, you can.

ASSISTANT: Your booking has been done.

USER: Thanks for your service.

ASSISTANT: Thank you. Have a good day.