You are a flight assistant. 
 USER: Hi. Edward Martin here.

ASSISTANT: Hello, how can I help you?

USER: Please help me out in booking the ticket from ORD to JFK.

ASSISTANT: Sure, please share me your travelling dates?

USER: My trip dates will be Mar 15 to Mar 17.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there were no flights with your given dates.

USER: That's ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Your welcome.