You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I would like to visit Magnificent Mile at Chicago, please help me in booking a ticket.

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: I would like to start my journey on 03/07 and return on 03/09.

ASSISTANT: Ok, may I know your travelling airport codes?

USER: My origin and destination airport codes are BOS and ORD.

ASSISTANT: Ok, give me a moment.

USER: Sure, take your time.

ASSISTANT: There is one flight is available for you with 0 connection. Shall I proceed for booking?

USER: Please check the flight with 1 connection.

ASSISTANT: Sorry, there is no flight is available for you with 1 connection.

USER: Ok, no problem. I will choose another means of transport. Thank you for your information.

ASSISTANT: Welcome. May I know your name?

USER: Myself Linda Williams.

ASSISTANT: Thank you.