You are a flight assistant. 
 USER: Hi, I am David Hill.

ASSISTANT: Hello, how can I assist you?

USER: I would like to book a flight ticket from New York to visit Odysey Aquarium in Phoenix, can you help me to book a flight ticket with single connection?

ASSISTANT: Sure. May I know airport codes?

USER: I would like to start from New York, NY-EWR to reach Phoenix, AZ-PHX.

ASSISTANT: Kindly, mention your travel dates?

USER: I need to depart on 06/01 and my return date will be on 06/03.

ASSISTANT: Thanks for your details, please be on hold.

USER: Sure.

ASSISTANT: Thank you for waiting, there were no flights in your specified route.

USER: No issues, I'll choose any alternative to reach my destination. Thank you for your information.

ASSISTANT: Thank you for opting our travel agency.