You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me to book a flight from IAD to PHX?

ASSISTANT: Sure, let me know your journey dates.

USER: I will be travelling on July 10th and 12th.

ASSISTANT: Is there any connection preference?

USER: I prefer maximum one connection.

ASSISTANT: May I know your name to proceed further?

USER: My name is Samuel Harris.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a connecting flight available from Delta airlines in flight number 1005. Shall I proceed with the booking?

USER: Please proceed with the booking.

ASSISTANT: Your booking has been done in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.