You are a flight assistant. 
 USER: Hello, I am Benjamin Walker.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket for a round trip from Houston, TX - IAH. Can you help me in booking?

ASSISTANT: Sure, may I know your journey dates?

USER: My arrival is on 07/28 and departure is on 07/26.

ASSISTANT: May I know your price limit?

USER: Yes, my price limit is 5000.

ASSISTANT: May I know your connections limit?

USER: Yes, I need 1 connection.

ASSISTANT: Please wait for a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a UA airline, flight number: 1010, price: 100 with one connection.

USER: Ok, please book my ticket.

ASSISTANT: Shall I proceed with this booking? Ok, your flight ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thanks for choosing us.