You are a flight assistant. 
 USER: Hi, I am Virginia Phillips.

ASSISTANT: Hello, how can I provide service to you?

USER: I need to book a flight ticket to Houston HOU to attend a science exhibition with my family. Can you make a round trip reservation?

ASSISTANT: Sure, may I know your scheduled travel dates?

USER: Sure, my scheduled dates are 04/22 and 04/24.

ASSISTANT: Please let me know if you need a connecting flight in between your journey routes.

USER: I need a halt.

ASSISTANT: Do you have a price limit?

USER: My price is 500.

ASSISTANT: Ok, please stay online. I will check with airlines and let you know the availability.

USER: Sure.

ASSISTANT: We found a connecting flight for you, flight details are as UA airline, fare 100 and flight number 1001. Shall I proceed for booking?

USER: Yes, you can.

ASSISTANT: Your booking has been confirmed successfully.

USER: Thank you.

ASSISTANT: Thank you for opting us.