You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: George Garcia here.

ASSISTANT: How may I assist you for today?

USER: Can you reserve a flight ticket to Charlotte for my airport codes boarding the flight are IAH to CLT? The price limit is less than 500.

ASSISTANT: Yes, can you tell me your dates of journey?

USER: My preferable dates for travel are 02/10 to 02/12.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: I have found a flight ticket with a price of 200 and it is a direct flight.

USER: I am fine with the fare. You can book it.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.