You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Patrick Johnson here. I would like to visit Chicago to attend a business meeting so can you please help me with flight ticket booking?

ASSISTANT: Sure, can you please share your airport codes?

USER: Sure, I would like to travel from PHL to ORD.

ASSISTANT: May I know on what dates you have planned to travel?

USER: Sure, I need to travel on dates of 01/04 and 01/06.

ASSISTANT: There is a direct flight available from Frontier airlines on your requested dates. Shall I proceed to book the ticket?

USER: No, please check with connection 1.

ASSISTANT: Sorry, there is no flight available with 1 connection in this route.

USER: Oh! It is sad to hear.

ASSISTANT: Thank you for connecting with our service.

USER: Anyway, thank you for your time to check.