You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what type of help you are looking from our service?

USER: Can you please help me to book a ticket from ORD to JFK?

ASSISTANT: I am here to help you in booking your flight ticket. Can you please provide your planned dates of journey?

USER: My travelling dates will be on June 25 to June 27.

ASSISTANT: Can you please provide your name for booking purpose?

USER: Carol Lopez here.

ASSISTANT: Do you have any other requirements for your journey?

USER: I would prefer a economy class. I need a connecting flight.

ASSISTANT: Sorry Carol Lopez, there are no flights which travels to your region as per your specifications.

USER: Ok, not an issue. Thank you.

ASSISTANT: You are welcome, thank you for reaching our service.