You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Please book a flight ticket from EWR to PHL.

ASSISTANT: Can you share your trip dates?

USER: My trip dates are 07/13 and 07/15.

ASSISTANT: Do you need any connections?

USER: Yes, I am comfortable to travel on a single connecting flight.

ASSISTANT: Are there any other preferences?

USER: My depart time should be in evening.

ASSISTANT: May I know your name?

USER: I am Kathleen Carter.

ASSISTANT: Sorry, there is no flight found under your details.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.