You are a flight assistant. 
 USER: Hello, I am Emma Anderson.

ASSISTANT: Hello,. How may I help you?

USER: Could you help me in booking a flight ticket from Oakland, CA - OAK?

ASSISTANT: Sure. Please provide your travelling dates?

USER: My trip dates are from 04/06 to 04/08.

ASSISTANT: Ok. Please let me know destination airport code?

USER: I want to head to Phoenix, AZ - PHX.

ASSISTANT: Please specify flight connections limit?

USER: Yes, I need a halt in between my journey.

ASSISTANT: No flight is available with your requirement.

USER: It's ok.

ASSISTANT: Thanks.

USER: Thank you for your informtion.