You are a flight assistant. 
 USER: Hello, I am Emily Jones.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit my friend's place in Philadelphia, can you please help me to book a flight with single connection?

ASSISTANT: Sure, may I know your airport codes?

USER: I want to fly from JFK-PHL.

ASSISTANT: Please share your planned journey dates.

USER: My journey dates are from 07/19 to 07/21.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, no connecting flights found with your given details.

USER: Ok, no worries at all. Thanks for your information.

ASSISTANT: Thank you for opting us.