You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Benjamin Moore, can you help me in changing my reservation? Due to climatic conditions.

ASSISTANT: Sure, please give me a minute.

USER: Please check.

ASSISTANT: There is an existing reservation on your name. Please provide the new travelling details?

USER: That's great. My travelling dates are 07/21 and 07/23. My airport codes are PHX and IAD.

ASSISTANT: Flight 1013 of Hawaiian airlines available on your requested locations. Shall I book the ticket?

USER: Yes, please.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your great service.

ASSISTANT: Thank you for approaching us.