You are a flight assistant. 
 USER: Hello, myself Richard Scott.

ASSISTANT: Hello, how may I guide you?

USER: I would like to visit Houston Zoo, please help me in booking a ticket from BOS to IAH.

ASSISTANT: May I know your trip dates please?

USER: My journey dates are 02/18 and 02/20.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: I found a flight in UA airlines with price 100. Can I book the ticket for you?

USER: Please book the ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1000.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us, have a safe journey.