You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hell, how can I help you today?

USER: I am Matthew Moore. Please book a flight ticket on dates 12/25 and 12/27.

ASSISTANT: Sure, kindly share your airport codes?

USER: My airport codes are PHL and EWR.

ASSISTANT: Do you have any connection preference?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: I want to depart at morning.

ASSISTANT: Ok, please wait a moment.

USER:                   Ok.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for reaching us.