You are a flight assistant. 
 USER: Hello. Myself Dorothy Adams.

ASSISTANT: Hello, how may I help you today?

USER: I need to meet my friend in Philadelphia, can you please reserve flight ticket from JFK and PHL?

ASSISTANT: Sure, may I know your travelling dates of journey please?

USER: My travelling dates are Dec,17 and Dec,19.

ASSISTANT: Ok, may I know your class preference please?

USER: I don't have any class preference.

ASSISTANT: Do you have any other specifications please?

USER: My depart and arrival should be in the afternoon.

ASSISTANT: There is connecting flight of fare 100 with AA airline, are you ok with this booking?

USER: Please proceed with the reservation.

ASSISTANT: Sorry, there is no flight available as per your requirement.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to complete my journey.

ASSISTANT: Thank you for reaching us.

USER:  Thank you for the information.

ASSISTANT: You are welcome.