You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Dorothy Davis.

ASSISTANT: How may I serve you?

USER: I want to book a flight ticket to attend an event from IL-ORD to DC-DCA. Can you help me?

ASSISTANT: Sure, we are here to assist you.

USER: Thank you.

ASSISTANT: How much you can afford for ticket fare?

USER: 5000 is my fare.

ASSISTANT: Kindly assign your preferred dates of travelling?

USER: 11/16 and 11/18 are my travelling dates.

ASSISTANT: Thank you for providing your details, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, we are pleased to inform you that we have found a Delta airline, flight number-1026 connections-1 and price limit is 100. Shall I proceed to book?

USER: Yes you can reserve it.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us. Have a nice flight.