You are a flight assistant. 
 USER: Hi, Sharon Wilson here.

ASSISTANT: Hello, how may I be of your help?

USER: I would like to travel to Dallas & Fort Worth DFW to enjoy long trips with friends. Can you make a reservation from EWR?

ASSISTANT: Sure, may I know how much can you afford for your ticket?

USER: Yes, affordable price limit is 200.

ASSISTANT: Please mention your travelling dates.

USER: Sure, I need to fly on 03/27 and 03/29.

ASSISTANT: Ok, please stand by.

USER: Sure.

ASSISTANT: Thanks for waiting, we could not find any flights on your requested dates.

USER: Ok, no worries at all.

ASSISTANT: Thank you for  choosing us.