You are a flight assistant. 
 USER: Hello, I am Angela White.

ASSISTANT: Hello, How may I help you?

USER: I would like to watch movie in Broadway theater at New York, can you please book me a ticket?

ASSISTANT: Sure, May I know the journey codes?

USER: My journey codes are from SEA to LGA.

ASSISTANT: Please help me with your travel dates.

USER: My travel dates are from 09/26 to 09/28.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, no problem.

ASSISTANT: Thank you for opting us.

USER: Thanks for your help.