You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you help me to book a flight ticket from IAD to LGA?

ASSISTANT: Ok, may I know your planned dates?

USER: Ok, please book a ticket for the dates Aug 30 and Sept 1st.

ASSISTANT: May I know your connection limit?

USER: Yes, please book a connecting flight for me.

ASSISTANT: May I know your name?

USER: My name is Melissa Clark.

ASSISTANT: Flight-1006 is available for you with 1 connection, can I book it?

USER: Ok, please book.

ASSISTANT: Your booking is done.

USER: Thank you for assisting me.

ASSISTANT: Thank you for choosing us.