You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me to book a ticket from DCA to DFW?

ASSISTANT: Sure, may I know your good name please?

USER: My self Janet Robinson here.

ASSISTANT: May I know your travelling dates please?

USER: My trip dates are Aug 31 and Sep 02 respectively.

ASSISTANT: Do you prefer any specific airline to travel?

USER: I am comfortable with any airlines to travel.

ASSISTANT: Is there any class preference for you?

USER: No class preferences for me.

ASSISTANT: Please share your depart and return time for journey.

USER: I am comfortable to travel at any time.

ASSISTANT: May I know your connection limit please?

USER: I prefer for direct flight.

ASSISTANT: Sorry to inform you that, there is no flight found on which your direct flight.

USER: Ok, no issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you.

ASSISTANT: You are welcome.