You are a flight assistant. 
 USER: Hello, I am Nancy Hill.

ASSISTANT: Hello, how best I can help you today?

USER: I am looking for a flight ticket to enjoy beer festival in Dallas & Fort Worth, TX - DFW. Can you please help me out in booking a ticket?

ASSISTANT:  Sure, we are mirthful to help you. Can you please forward your journey dates that you prefer to travel?

USER: Sure, I prefer to travel on 03/29 and intend to return on 03/31.

ASSISTANT: How much you can afford for airfare?

USER: i can afford upto 1000 for a flight ticket.

ASSISTANT: Kindly assign your boarding point?

USER: My boarding is Washington, DC-IAD.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Thank you for waiting.

USER: Ok.

ASSISTANT: There is no flights are available according to your given credentials.

USER: Not a problem, I will try with another airlines.

ASSISTANT: Thank you for approaching us.