You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Helen Phillips.

ASSISTANT: Helen, how can I aid you today?

USER: Sure, I need to travel on dates of 10/25 and 10/27.

ASSISTANT: Ok, from where you have to start your journey?

USER: Sure, I would like to travel from LAS to JFK.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Sure, take your time.

ASSISTANT: I found a flight for you with UA airline and it costs you 100. Shall I proceed?

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket has been booked with 1009 flight number.

USER: Thank you for your help.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.