You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Patricia Walker here, I want to reserve my ticket from PHX to CLT, can you please help me out?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, my planned dates of journey are from Jul, 03 to Jul, 05.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a depart time at morning.

ASSISTANT: May I know your connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, no problem. Thank you for your service.

ASSISTANT: Thank you for reaching us.