You are a flight assistant. 
 USER: Hello. I am Jennifer Rodriguez.

ASSISTANT: Hello.

USER: I want to book a ticket from IAD to DTW to attend seminar, can you help me in booking?

ASSISTANT: How can I assist you today? Sure, I will help you.

USER: Thank you.

ASSISTANT: Please share your travelling dates.

USER: I am departing on 07/14 and return on 07/16.

ASSISTANT: There is a flight with connection limit 1 and fare 300, shall I proceed for booking?

USER: No, do not proceed for booking, I want a flight with fare 200.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for opting us.