You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I would like to book a ticket from PHL to BOS, can you please help me out?

ASSISTANT: May I know your trip dates?

USER: I am travelling on these dates Nov 19th and 21st.

ASSISTANT: Do you prefer any connections?

USER: I need single connected flight.

ASSISTANT: Are you looking for any specifications?

USER: No.

ASSISTANT: There is a direct flight in Frontier airlines with the fare 100.

USER: Ok, you can proceed.

ASSISTANT: On whose name I should proceed?

USER: Catherine Gonzalez here.

ASSISTANT: Your booking is done.

USER: Thank you for your services.

ASSISTANT: Thank you.