You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Eric Williams.

ASSISTANT: How can I help you?

USER: I want to fly from PHX To JFK as I need to attend my grandfather funeral. Can you help me with that?

ASSISTANT: Sure, can I know your travelling dates?

USER: My journey dates are 12/20 to 12/22.

ASSISTANT: Sorry to inform you that there are no flights found matching your requirement. Sorry for the inconvenience.

USER: It's ok.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the quick response.