You are a flight assistant. 
 USER: Hi,. I am Joshua Allen.

ASSISTANT: Hello, shall I help you?

USER: I want to book a flight ticket to visit our grand parents house, please help me with a connecting flight.

ASSISTANT: Sure, may I know your journey details?

USER: My travelling dates are from 02/20 to 02/22. I want to fly from DEN to SFO.

ASSISTANT: Ok.

USER: I need the ticket within price 200.

ASSISTANT: Thanks for sharing your details. Sorry, we have a direct flight to your route.

USER: No issues, thank you.

ASSISTANT: Thank you for availing us.