You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking a flight ticket from BOS to LAS?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: I want to fly on June 05 and return on June 07.

ASSISTANT: Do you have any other specifications?

USER: I need a direct airline.

ASSISTANT: Please help me with your name for booking.

USER: Myself Raymond Garcia.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.