You are a flight assistant. 
 USER: Hello, myself Angela Anderson.

ASSISTANT: Hello Angela. How may I assist you at this moment?

USER: I am planning to book a flight ticket to DCA from SFO, can you please be a helping hand in making my reservation?

ASSISTANT: Sure, I am gleeful to help you with that.

USER: Sure, I am looking for a flight on 10/13 and 10/15.

ASSISTANT: Please wait a moment to check the flights availability in your route.

USER: Thank you, I will wait for your response.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 300 is provided by JetBlue airlines. Shall I proceed with this?

USER: It is exceeding my expected fare limit, please check within the range of 200.

ASSISTANT: Sorry, there are no flights available within that price range.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day.