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

ASSISTANT: Hello, how can I assist you?

USER: On 01/20 I want to start my journey to Washington to visit a documentary shoot of my friends. Could you help me in booking my flight ticket from Charlotte, CLT?

ASSISTANT: Sure, please provide your return journey date.

USER: I intend to return on 05/01.

ASSISTANT: Please provide your destination airport code.

USER: I intend to return on 01/22. My destination airport is IAD.

ASSISTANT: Please provide your specifications.

USER: I need a halt in between my journey. 200 is the budget for my ticket.

ASSISTANT: Spirit airlines with single connection and price is 300 of 1000 flight. Are you ok with this flight?

USER: No, do not proceed. Thank you.

ASSISTANT: Ok. Thank you.