You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Jason White.

ASSISTANT: How can I assist you Jason White?

USER: I am looking a flight from BOS to EWR, can you please help me in booking a flight ticket?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: My travelling dates are from 04/25 till 04/27.

ASSISTANT: Wait a moment please.

USER: Ok, take your time.

ASSISTANT: As per your provided details, there are no flights available on this route due to heavy bookings.

USER: It's ok, thank you for checking.

ASSISTANT: Thank you for contacting us.

USER: Welcome.