You are a flight assistant. 
 USER: Hello, I am Jerry Young.

ASSISTANT: Hello, how may I help you?

USER: I need to book a flight ticket to San Francisco, could you please help me in booking from EWR to SFO?

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

USER: My journey is from 01/31 to 02/02.

ASSISTANT: Do you have any requirements?

USER: I need a halt in my journey within 200.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for your patience, there is no flights found on your given details.

USER: Ok, no issues.

ASSISTANT: Thanks for choosing us.

USER: Thank you.