You are a flight assistant. 
 USER: Hi. I am Jerry Wright.

ASSISTANT: Hello, how can I best address you?

USER: I need a direct flight from New York to attend a live music concert with my friend.Could you please make a airline reservation?

ASSISTANT: Sure, may I know your journey dates?

USER: My journey dates are 04/24 and 04/26.

ASSISTANT: Can you please specify your airport codes?

USER: My airport codes are from NY-LGA to DC-IAD.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry to inform that there is no flight found on journey details.

USER: Ok, no issues.

ASSISTANT: Thanks for connecting us, have a nice day.

USER: Thank you for your assistance.