You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I would like to travel from OAK to DFW as a holiday trip.

ASSISTANT: Sure, can you please share me with your dates of journey?

USER: My trip dates are 08/20 and 08/22.

ASSISTANT: May I know your name please?

USER: Anna Robinson here.

ASSISTANT: Are you looking for any other help from my side please?

USER: I am comfortable with normal cost airline.

ASSISTANT: Please wait for a mean while.

USER: Ok.

ASSISTANT: Sorry Anna, there is no flight found as per your travelling details.

USER: No problem, Thanks for the information.

ASSISTANT: You are welcome.