You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Mark Martinez.

ASSISTANT: How may I assist you today?

USER: Can you please help me to search a flight ticket from AUS to HOU?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can you please provide your preferable dates that you want to travel?

USER: My preferred travelling dates are 02/01 and 02/03.

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

USER: Ok, please make sure that the price should not exceed 200.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 100. Is it ok for you?

USER: That's prefect, you can proceed with booking.

ASSISTANT: Ok, your reservation has been done with flight number 1002.

USER: Thank's a lot for booking a flight ticket.

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