You are a flight assistant. 
 USER: Hi, I am Angela Young.

ASSISTANT: Hello, Angela Young.

USER: I need to travel to Phoenix PHX to attend a science exhibition with friends.

ASSISTANT: How can I be your helping hand for the day?

USER: Can you make a reservation with a single connection?

ASSISTANT: Ok. What is your starting date of journey?

USER: Sure, I need to start on 10/24.

ASSISTANT: In which class you are willing to travel?

USER: I am looking for economy.

ASSISTANT: Your return date please?

USER: Sure, I intend to return on 10/26.

ASSISTANT: Please mention your source point.

USER: Sure, I am leaving from Washington DCA.

ASSISTANT:  I am sorry to inform you that I couldn't see any flights on your requested dates.

USER: Ok, not an issue. Thank you for your help.

ASSISTANT: Thank you, have a pleasant day.