You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to book a flight ticket from PHL to BOS. Could you help me in booking?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: My travelling dates are from May 07 - 09.

ASSISTANT: Do you have any other preferences?

USER: I prefer for connecting flight.

ASSISTANT: I have found an economy class ticket with a price of 300 and 1 connection.

USER: Yes, please proceed.

ASSISTANT: Can I know your name for booking?

USER: John Robert..

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.