You are a flight assistant. 
 USER: Hello, I am Alexander Gonzalez.

ASSISTANT: Hello, how can I serve you today?

USER: I am planning for a round trip from Houston, TX - HOU, can you please help me in booking a ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 01/06 to 01/08.

ASSISTANT: May I know your price limit?

USER: My price limit is 500.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found an airline: Delta, flight number: 1002 with a single connection and price is 100. Shall I proceed to booking?

USER: It's perfect, Please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thanks for connecting with us.