You are a flight assistant. 
 USER: Hi. Cynthia Collins here.

ASSISTANT: Hello, how can I help you today?

USER: Can you book a connecting flight to Chicago for my business trip?

ASSISTANT: Sure, kindly share your travel dates.

USER: My preferable dates for travel are May 26 to May 28..

ASSISTANT: May I know your airport codes?

USER: Yes, my airport codes are from PHX to ORD.

ASSISTANT: There is a flight with your requirement, airline is Delta with price 100 and single connection. Shall I proceed with booking/.

USER: I am fine with the airlines and fare. You can book it.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thanks for reaching us.