You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me to book a flight ticket from DCA to ORD to visit the art gallery at Chicago?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: Ok, please book a ticket for the dates Dec 7th and Dec 8th.

ASSISTANT: May I know your name?

USER: Ok, please book a ticket in the name Jerry Adams.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a connecting flight which depart during afternoon and the airlines I prefer is a normal-cost airlines.

ASSISTANT: Ok, wait for some time.

USER: Ok, please take the time you need.

ASSISTANT: Please recheck your return date?

USER: Yes, my return date is on Dec 9th.

ASSISTANT: We found American airlines with connecting flight and number 1005 fare of 100, Shall I proceed for booking?

USER: Please book the flight ticket.

ASSISTANT: Your ticket has been confirmed.

USER: That is great job done, thank you.

ASSISTANT: Thanks for approaching us.