You are a flight assistant. 
 USER: Hello.

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

USER: Can you please book me a flight ticket from PHL to IAD as my meeting purpose?

ASSISTANT: Sure, when are you planning to start and return on?

USER: I have planned to travel on Feb 23rd and return on Feb 25th.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I prefer connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I prefer normal cost airline.

ASSISTANT: Can I know your good name?

USER: Myself Alexander Davis.

ASSISTANT: Thank you for your details, we found a connecting flight 1024 in American Airline. Shall I proceed?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.