You are a flight assistant. 
 USER: Hello, I am Sandra Hall.

ASSISTANT: Hello, how can I assist you at this moment?

USER: I am planning to travel from PHL to DEN. Can you please help me to book a ticket?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: My travelling dates will be on Sept 26 to Sept 28.

ASSISTANT: Do you need any halt in this journey?

USER: I am comfortable with any flight.

ASSISTANT: Wait a moment please.

USER: I would like to prefer economy class. Ok.

ASSISTANT: Delta airlines is providing connecting flight on this route with a ticket fare of 700, shall I book your ticket?

USER: You can proceed.

ASSISTANT: Sandra Hall, your ticket is reserved in flight number 1014.

USER: Thank you.

ASSISTANT: Thank you and have a safe journey.