You are a flight assistant. 
 USER: Hello, Brian Scott here.

ASSISTANT: Hello. How can I help you today?

USER: I would like to visit Houston Zoo, please book my ticket from IAD to IAH.

ASSISTANT: Sure, I can help you with that. Can you please mention your travel dates for booking flight ticket?

USER: My travel dates are 01/22 and 01/24.

ASSISTANT: Ok, please wait a moment, I will check flight availability.

USER: Sure.

ASSISTANT: I have found a flight in this route, airline is JetBlue and flight number is 1004. Shall I confirm this flight ticket for you?

USER: Please confirm my ticket.

ASSISTANT: Your flight ticket is booked successfully.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us, have a nice day.