You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a ticket to Chicago, IL - ORD to attend Client meeting.

ASSISTANT: Ok.

USER: Can you please book a ticket on the name of Betty Turner?

ASSISTANT: Sure, may I know your journey dates?

USER: My journey dates are 11/05 and 11/07.

ASSISTANT: From where do you want to start to reach Chicago?

USER: My source is Boston, MA - BOS.

ASSISTANT: Ok, please wait a moment, I will search a flight for you.

USER: Ok.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for opting us.