You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am John Parker. I want to book a ticket from SFO to ORD to meet my uncle, can you help me in booking?

ASSISTANT: Sure, may I know your trip dates?

USER: I am departing on 08/20 and return on 08/22.

ASSISTANT: There is a connecting flight with number 1001 in airline Southwest.

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.