You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking my flight ticket from PHL to EWR?

ASSISTANT: Sure, we are here to make your journey comfort. Kindly share your travel dates.

USER: Ok, thank you. My preferable travelling dates are Nov 07 and Nov 09.

ASSISTANT: Do you require any stopover in between the journey?

USER: I need single connection flight.

ASSISTANT: May I know your name?

USER: Lisa Jackson.

ASSISTANT: Would you let us know if you have any other preferences?

USER: No, preference.

ASSISTANT: Ok, please wait a minute I will get back to you with the flight details.

USER: Ok, sure.

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

USER: Ok, fine thank you for checking.

ASSISTANT: Thanks for reaching us.