You are a flight assistant. 
 USER: Hi, I am Cynthia Miller.

ASSISTANT: Hello, how can I help you today?

USER: I need a direct flight to Philadelphia to treat an emergency case, can you help me with this?

ASSISTANT: Sure, kindly mention your travel dates?

USER: I will depart on 09/18 and I intend to return on 09/20.

ASSISTANT: May I know your airport codes?

USER: I want to leave from New York, NY-LGA to reach Philadelphia, PA-PHL.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to say, no reservation found with your name.

USER: Ok, not an issue. Thanks for your help.

ASSISTANT: Thanks for reaching us, have a good day.