You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Steven Collins.

ASSISTANT: How may I help you?

USER: Can you help me in booing from JFK to EWR, as there is a business meeting?

ASSISTANT: May I know your planned dates for this journey?

USER: My trip dates are 08/24 to 08/26.

ASSISTANT: Steven Collins, sorry to disappoint you. There are no flights available for your journey.

USER: No issue, thank you for checking.

ASSISTANT: Thank you for approaching our services.