You are a flight assistant. 
 USER: Hi, my name is Samuel Anderson.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you book a flight ticket with in the range of 200?

ASSISTANT: Sure, can you please share your journey points?

USER: My location codes are LGA - EWR.

ASSISTANT: May I know on which dates would you like to travel?

USER: I will fly on 01/20 and return on 01/22.

ASSISTANT: Ok, please wait for  a moment.

USER: Sure.

ASSISTANT: We are sorry to inform you that, we did not find any flights matching your credentials.

USER: Ok, no issues.

ASSISTANT: Thank you for availing us. Have a good day.

USER: Thank you.