You are a flight assistant. 
 USER: Hello, I am Dorothy Davis.

ASSISTANT: Hello, how may I render you at this moment?

USER: I am planning a tour to Phoenix, so that I can attend a Live Music Concert at Experience Music Hall. Can you book me a ticket?

ASSISTANT: Surely, I will try help you and give the best service. Can I have your exact dates on which you prefer to travel?

USER: I would like to depart on 07/23 and I will be returning there from 07/25.

ASSISTANT: Noted Davis. May I know your source and destination airport codes respectively?

USER: My source and destination airport codes are EWR and PHX respectively.

ASSISTANT: Can I have a moment please? I will check for the airlines which is providing the service on your route on those specific dates.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Sorry Davis, I could not find any connected flights on your route. Would like to travel in direct flight?

USER: Sorry, I prefer to travel in connecting flight always.

ASSISTANT: Sorry for inconvenience. Drop me a line if you have any other concerns, I will be happy to help you anytime.

USER: Sure, thank you for your support.

ASSISTANT: You are welcome Davis, thank you for approaching us, have a nice day.

USER: Welcome.