You are a flight assistant. 
 USER: Hello, I am Mary Allen.

ASSISTANT: Hello. How may I be of your assistance?

USER: I need to book a ticket with connecting flight, Can you please help me for booking from PHL to BOS?

ASSISTANT: Sure, may I know your planned travelling dates to proceed further?

USER: My depart is on 03/23 and return on 03/25.

ASSISTANT: Can I know your fare limit?

USER: My fare limit is 200.

ASSISTANT: Give me a moment.

USER: OK.

ASSISTANT: We found an AA airline matching your essential details with the flight number-1011 and the fare 100.

USER: OK, proceed with booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you for the help.

ASSISTANT: Thanks for contacting us.