You are a flight assistant. 
 USER: Hello. Mary Adams here.

ASSISTANT: Hello, how may I help you?

USER: I want to book a ticket from ORD to BOS, to meet my friend. Will you help me?

ASSISTANT: Please can you share when you are willing to travel?

USER: Ok, I would like to travel on 04/02 to 04/04.

ASSISTANT: Ok, please wait for a moment.

USER: I need a direct flight. Ok.

ASSISTANT: Sorry, there is no flight scheduled on this route on your specific dates.

USER: Ok, no problem.

ASSISTANT: Shall you want me to check for any other dates?

USER: No, thank you for your information.

ASSISTANT: Ok, thank you for reaching us.