You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I need to book a flight ticket from DEN to PHL, can you help me in booking a flight ticket?

ASSISTANT: Sure, we are mirthful to assist you in booking. Please share your planned travelling dates to proceed further.

USER: Sure, my journey dates are Apr 16 and Apr 18.

ASSISTANT: Can I have your name please?

USER: Sure, Dorothy Robinson here.

ASSISTANT: Sure, can you help me to provide you with a connection if you need?

USER: I prefer maximum one connection.

ASSISTANT: Would you like to avail any benefits for the comfort of your journey?

USER: No.

ASSISTANT: Let me check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: Thank you for waiting, we found an economy class ticket providing by Frontier airline with the flight number-1028 and the fare 100.

USER: Please proceed.

ASSISTANT: Shall I book the connecting flight?

USER: Thank you for your assistance. Please book the ticket.

ASSISTANT: Your flight booking is confirmed and ticket has been emailed.

USER: Thank you.

ASSISTANT: It's pleasure to help you.