You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Susan Rodriguez.

ASSISTANT: Ok.

USER: I am planning to attend the live concert which was going to held at Philadelphia PA-PHL.So I need to book a flight ticket. Could you please assist me in booking a flight ticket from Houston TX-HOU?

ASSISTANT: Sure, may I know your price limit?

USER: Price limit should be under 200.

ASSISTANT: Could you please provide me your travel dates?

USER: My travel dates are 06/22 and 06/24.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We found a Delta airline, flight number: 1012, price: 100 with one connection.

USER: Ok, proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you.