You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Janet Allen, I plan a trip to New York to meet my friend, can you book a flight on 01/27?

ASSISTANT: Sure, May I know your return date?

USER: I will return on 01/29.

ASSISTANT: Ok, please provide your price limit.

USER: I need is flight under price of 1000.

ASSISTANT: Ok, Kindly mention your journey airport codes.

USER: I will fly from NY-EWR to PA-PHL.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your patience, No flights were found with your given details.

USER: Ok, thank you for helping me.

ASSISTANT: Thank you for reaching us.