You are a flight assistant. 
 USER: Hello, Amy Williams here.

ASSISTANT: Hello. How can I assist you?

USER: I want to attend my friend birthday party. so please book my ticket from JFK to DFW?

ASSISTANT: Ok, may I know your travelling dates?

USER: Sure, my travelling dates are 02/11 and 02/13.

ASSISTANT: Ok, please wait. Here is a connecting flight with fare 100 and 1006 as flight number in economy class. Shall I proceed with booking?

USER: Ok, take your own time. Please I want direct flight only.

ASSISTANT: Sorry, no flights found directly to your destination.

USER: No issues, thank you for your service.

ASSISTANT: Thank you for reaching us.