You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: David Smith here.

ASSISTANT: I hope you are good today, how can I help you?

USER: My reservation is from ORD to SEA, can you please help me to book a ticket?

ASSISTANT: May I know your desired travel dates please?

USER: Ok, my preferable dates of travel is from 08/21 to 08/23. Please make sure that the connections limit is 1.

ASSISTANT: Please wait a while, I will check and inform you.

USER: Sure, take your time.

ASSISTANT: There is a flight available with connection limit 1, shall i proceed for booking?

USER: Ok, please proceed with this ticket.

ASSISTANT: Ticket is booked on the name David Smith, flight number 1021 with United airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.