You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me in booking a flight ticket from Las Vegas, LAS to reach Seattle, SEA?

ASSISTANT: Sure, do you prefer any class?

USER: I am ok with any class.

ASSISTANT: Is there any restrictions in Airline preferences?

USER: No, thanks for asking.

ASSISTANT: When are you planning to go and return back from your journey?

USER: My journey dates are from Apr 17 to Apr 19.

ASSISTANT: As our results I found one flight which named Spirit Airlines, flight no:1027, connection zero, and price was 100. Are you willing for it to book by me?

USER: Sure, you can proceed for booking.

ASSISTANT: To proceed further, may I know your name?

USER: My name is Angela Thomas.

ASSISTANT: Ok your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thank you, Have a nice trip.