You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Nancy Clark here.

ASSISTANT: How can I help you at this moment?

USER: I would like to meet my grandparents in Chicago, can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure, I can help you in booking flight ticket.

USER: Thank you.

ASSISTANT: Could you please share your travel dates for booking flight ticket?

USER: Sure, I am planning to move on 08/07 and please book my return ticket on 08/09.

ASSISTANT: May I know your preferable airport code names?

USER: Sure, I want to travel from IAD to ORD.

ASSISTANT: Please hold on a moment, I will check flight availability in this route.

USER: Ok, take your time but try to bring a best flight in my route.

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Based on your information, Hawaiian airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I proceed with this?

USER: Yes, That's perfect, you can proceed with booking.

ASSISTANT: I have confirmed your flight ticket, airline is 1018.

USER: Thank you for your help in booking my ticket, have a nice day.

ASSISTANT: Thank you for contacting us, have a good day.

USER: Welcome.