You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Could you help me in booking a ticket from Washington, IAD to PHL?

ASSISTANT: Sure, may I know when you want to travel?

USER: I want to travel on the dates of 02/17 and 02/19.

ASSISTANT: Ok, do you need any halt in between your journey?

USER: Yes, connection is to be 1.

ASSISTANT: May I know your name please?

USER: Melissa Williams is my name.

ASSISTANT: Wait a minute please.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a flight with number 1003 and airline UA at a price of 200 with 1 connection.

USER: Please reserve it.

ASSISTANT: Sure, your booking is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have  a nice day.