You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Nicholas Parker.

ASSISTANT: How may I assist you today?

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

ASSISTANT: Sure, I'll definitely help you with that. Can you please provide me your preferable travel dates?

USER: My planned travel dates are 11/29 and 12/01.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: JetBlue airlines is having a flight on that route with travel charge of 200, shall I proceed for booking?

USER: Ok, please proceed for booking.

ASSISTANT: I have successfully booked your ticket with flight-1000, have a safe journey.

USER: Thank you for your help.

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