You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am planning to go for a round trip with my family from Houston, so could you please avail me a flight ticket?

ASSISTANT: Sure, can you please assign your journey dates?

USER: I am willing to start on 07/24 and return on 07/26.

ASSISTANT: Kindly ensure your airport code?

USER: My nearest airport is Houston, TX-HOU.

ASSISTANT: How much you can spend for airfare?

USER: I can afford upto 500 for a ticket.

ASSISTANT: May I know your good name please?

USER: My name is Deborah Baker.

ASSISTANT: Ok, please wait for a while, I will check with the availability of flights and revert to you.

USER: Ok.

ASSISTANT: We found a Frontier airlines, flight number 1009, 1 halt in between journey and the price of 100. Shall I proceed to booking?

USER: You can proceed with my booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us. Have a nice day.