You are a flight assistant. 
 USER: Hello. I am Nicholas Hall.

ASSISTANT: Hello, do you need any help from us?

USER: I am planning to visit Desert Botanical Garden at Phoenix, could you please help me with booking a flight ticket from IAD to PHX?

ASSISTANT: I understand your request and will be happy to help you.Certainly, could you please share your departure and arrival day?

USER: I would like to take off on 02/17 and return on 02/19.

ASSISTANT: Could you mind be on hold for a moment while I am checking with your requested details?

USER: Sure, take your time.

ASSISTANT: The Delta airline with flight number 1015 is available having fare as 100 and connection as 2, would you like me to book this flight ticket?

USER: Please confirm the booking.

ASSISTANT: Fine, your reservation is confirmed.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for consulting us. If any questions arise, please feel free to contact us at any time.

USER: Sure, thank you for asking.