You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Kimberly Collins here. I need to attend a cultural festival in New York city so please help me with flight ticket booking from Phoenix.

ASSISTANT: Sure, may I know your source and destination airport code?

USER: Sure, I would like to travel from PHX to EWR.

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, I have planned my travel dates as 01/19 and 01/21.

ASSISTANT: Do you prefer economy or business class?

USER: No, I am not sure about any class. I am ok with any class so you can go with any class for me.

ASSISTANT: I am sorry to say that there is no flight on your details.

USER: I am ok with any flight except direct flight so why can not you check once again for me?

ASSISTANT: Ok, please wait a moment, I will check again.

USER: Thank you, I will wait for your response.

ASSISTANT: Sorry Kimberly Collins, there is no flight on your route.

USER: Oh! It is sad to hear. I have to reach another agency this time to go New York city. Anyway, thank you for your time.

ASSISTANT: Thank you.

USER: Most welcome.