You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I am Jack Carter, can you help me to search a flight with 500 price limit?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: Can you please provide your planned dates of travelling?

USER: My planned dates are 09/12 and 09/14.

ASSISTANT: Ok, may I know your origin and destination airport codes for booking?

USER: My preferred airport codes are DTW and HOU.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Sure.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 100 provided by Delta airlines. Shall I proceed with this?

USER: Proceed with booking.

ASSISTANT: Ok, your ticket has been booked in flight number 1021.

USER: Thank you.

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