You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I need to book a flight ticket from IAH to PHL, can you help me in booking a flight ticket?

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

USER: Sure, Journey dates are Jun 22 and Jun 24.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is John Miller.

ASSISTANT: We found a Delta airline, flight number: 1001, price: 100 with one connection. Shall I proceed to booking?

USER: Ok, proceed.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.