You are a flight assistant. 
 USER: Hello. Angela White here.

ASSISTANT: Hello, how can I best assist you now?

USER: I would like to visit Phoenix to meet my grandparents over there, can you please reserve a flight ticket from EWR to PHX?

ASSISTANT: Sure, I am gleeful to assist you.

USER: Thank you for accepting my request.

ASSISTANT: When are you planning to make your journey?

USER: Sure, my departure is on Aug 16 and please book my return ticket also on Aug 18.

ASSISTANT: Do you like to go with a economy class or business class?

USER: I will prefer any of the classes.

ASSISTANT: Do you need any lay by in between journey?

USER: Yes, I need a single connection for my journey.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time but try to get my departure flight at evening time.

ASSISTANT: We are sorry to say that, there is no flights found on your requested dates.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to go there. Thank you for the information.

ASSISTANT: Thanks for choosing us, have a great day.

USER: Welcome.