You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please book a flight from PHL to PHX?

ASSISTANT: Sure, please share me your travel dates.

USER: Sure, I want to start my journey on Apr 8 and need to end it on Apr 10.

ASSISTANT: Is there any class preferences for you?

USER: Please book my ticket in economy class.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: May I know your airlines specifications?

USER: I am comfortable with any airline.

ASSISTANT: We found a Southwest airline and 1008 is flight number with a fare of 100. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: For booking, we need your name. Please mention it.

USER: Angela Thompson here.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.