You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Please assist me in booking a ticket from New York, NY-EWR to Philadelphia, PA-PHL.

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 02/26 to 02/28.

ASSISTANT: Do you have any price limit?

USER: My price limit is 500.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for your details, there is no flight found on your journey routes.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Can you help me with your good name?

USER: I am Deborah Collins.

ASSISTANT: Thank you for reaching us.