You are a flight assistant. 
 USER: Hello, Janet Collins here.

ASSISTANT: Hello Janet Collins, how can I guide you today?

USER: I have planned to watch a movie with my family in Warner Theater at Washington. Can you please help me for booking?

ASSISTANT: Sure, we are blissful to help you for booking. May I know your preferred journey dates?

USER: I will depart on 02/21 and return on 02/23.

ASSISTANT: From where do you want to start your journey?

USER: Sure, my nearest boarding airport is Detroit, MI - DTW.

ASSISTANT: Can you help me with your destination airport code?

USER: My destination airport code is DC - DCA.

ASSISTANT: Is there any halt in between your journey?

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

ASSISTANT: Thanks for sharing your journey details, please wait.

USER: Sure.

ASSISTANT: Unfortunately, we do not found any flight which matches to your criterion.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for approaching us.