You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I am Helen Smith and I would like to make a trip from IL-ORD to MI-DTW.

ASSISTANT: Ok, please mention your journey dates?

USER: My travelling dates are 06/26 and 06/28.

ASSISTANT: Please share your price limit?

USER: I need a connecting flight with in 500.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thanks for your time. We found a flight with UA airlines and flight number is 1001 having one connection. Shall I proceed booking?

USER: Sure, you can proceed with this airline.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us.