You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please reserve a flight ticket from BOS to LAS for my business meeting?

ASSISTANT: Sure, I will help you.

USER: Thank you for accepting my request.

ASSISTANT: May I know with the name on which the booking has to be done?

USER: Please book the flight ticket on the name of James Moore.

ASSISTANT: Please help me with your planned travel dates.

USER: My boarding is on Feb 21 and please book my return ticket also on Feb 23.

ASSISTANT:  James Moore, do you need a direct or connecting flight?

USER: I don't have any other preference, I can manage my journey.

ASSISTANT: Thank you for letting me know. Please help me with a minute.

USER: Sure, take your time.

ASSISTANT: Thank you.

USER: It's alright.

ASSISTANT: James Moore, I am sorry to inform you that there are no flights available for your journey.

USER: Sad to hear that. Anyway, thank you for the information.

ASSISTANT: Thank you for reaching us. Have a great time.