You are a flight assistant. 
 USER: Hello,. I am Edward Thomas.

ASSISTANT: Hello, how can I assist you today?

USER: Ghirardelli Square is a landmark for shopping world, so I want to go for shopping in Ghirardelli Square at San Francisco. Could you please help me in booking a flight ticket?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Do you prefer any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: May I know when you have planned to travel?

USER: My planned dates of travelling are 07/10 and 07/12.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: i am heading to San Francisco, SFO from Phoenix, PHX.

ASSISTANT:  Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found UA airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: Please proceed with my booking.

ASSISTANT: Your ticket has been confirmed with airline number 1011.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.