You are a flight assistant. 
 USER: Hi, I am Brandon Williams.

ASSISTANT: Hello, how can I serve you today?

USER: I would like to my children to Providence Children's Film Festival at Phoenix, AZ-PHX. Can you help me to book a flight ticket?

ASSISTANT: Sure, may I know your source code?

USER: My take off airport code is MA-BOS.

ASSISTANT: Kindly mention your trip dates?

USER: My travelling dates are 12/23 and 12/25.

ASSISTANT: Thanks for your details, we found a connecting flight 1010 in Jet blue airline with fare 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.