You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: My name is William Thomas. Can you help me for booking a ticket?

ASSISTANT: Yes, we are here to help you. To proceed we need your travelling places and dates. Can you please share them ?

USER: Sure, I would like to travel from Phoenix, AZ - PHX on July 8 to Houston, TX - IAH on July 10. Make sure that the price limit should not exceed 500 with one connection.

ASSISTANT: Thank you for the response. Please hold on I will check the availability and let you know.

USER: Sure.

ASSISTANT: Thanks for your time. we found a Delta airline with flight number 1017 matching your requirements. The price is 200 and has one connection.

USER: OK.

ASSISTANT: Shall I proceed with this booking?

USER: Sure, you can proceed.

ASSISTANT: OK. Your booking has been processed. Thanks for choosing us.

USER: OK, Thanks for your service.