You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Scott Hall.

ASSISTANT: In which way I can aid you at this moment?

USER: There is a business meeting in Las Vegas in the January month, so please find a flight and book an advance ticket for me.

ASSISTANT: Sure, I will help you in booking flight ticket.

USER: Thank you for your response.

ASSISTANT: Could you please mention your travel dates for booking flight ticket?

USER: Sure, I want to fly on 01/26 and after the completion of meeting I will catch the return flight on 01/28.

ASSISTANT: Can you please let me know your airport code names for further process?

USER: Sure, my airport codes are from BOS to LAS.

ASSISTANT: Please hold on a moment, I will check flight availability in this route.

USER: Sure, I can wait for your reply.

ASSISTANT: Sorry for the inconvenience no flights available in this route as per your requested dates.

USER: Sad to hear that one from your end but it's fine, I can ask my friend to take in his car. Thank you for your service.

ASSISTANT: Thank you for contacting us, have a nice day.