You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, In what way can I help you?

USER: I am Angela Miller. Can you help me to book a flight ticket from PHL to DFW?

ASSISTANT: Sure, on which dates do you want to travel?

USER: May, 2 and May, 4 are my planned travel dates.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: May I know your connection limit?

USER: I need single connection.

ASSISTANT: Please share your departure and return  timing?

USER: My depart time should be at evening.

ASSISTANT: Thank you for your details, we found a connecting flight 1008 in American Airline. Shall I proceed with economy flight?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.