You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: As I am a scientist, I want to attend science festival with my students at Chicago, ORD. Can you help me to book a ticket from Washington, IAD?

ASSISTANT: Sure, I am here to help you. May I know how much you can afford for this journey?

USER: I can spend money for a ticket maximum 200.

ASSISTANT: May I know your travelling dates please?

USER: Dates are 06/19 and 06/21.

ASSISTANT: Ok, wait a minute please.

USER: Sure.

ASSISTANT: We found a flight with number 1014 and airline Delta at a price of 100 with 1 connection. Shall I Proceed?

USER: Please carry on.

ASSISTANT: Sure, may I know your name please?

USER: Amanda Thompson here.

ASSISTANT: Thank you, your booking is done.

USER: Thank you, You have done a good job.

ASSISTANT: Have a safe journey.