You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Christopher Miller.

ASSISTANT: How may I assist you?

USER: I would like to travel from HOU to PHL, could you help me out?

ASSISTANT: Sure, I will help you. Please help me with your planned travel dates.

USER: My preferable dates are from 06/04 to 06/06.

ASSISTANT: Please hold on a moment, Miller.

USER: Sure, take your time.

ASSISTANT: Thank you for your waiting, I found a flight for you in Spirit airliners with price 200. Can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1013.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.