You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Thomas Johnson here. I am planning to visit Houston to meet my friend, can you please help me in booking?

ASSISTANT: Sure, please help me with your airport codes.

USER: My airport codes are from PHL to HOU.

ASSISTANT: Please provide your planned dates of your journey.

USER: These are my travelling dates 10/10 and 10/12.

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

ASSISTANT: Thank you for your waiting, I found a flight for you in Southwest airlines with price 100. Can I proceed?

USER: Yes, you can proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1024.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing our service.