You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Linda Rodriguez here. I am planning to book my ticket from DFW to IAD. Can you help me with booking?

ASSISTANT: Sure, may I know your planned trip dates?

USER: My planned trip dates are from Aug 29 and Aug 31.

ASSISTANT: Do you have any connection limit?

USER: my connection limit is 1.

ASSISTANT: May I know your arrival and depart timings?

USER: My return time should be in the evening.

ASSISTANT: Do you have any more specifications?

USER: I prefer to book my ticket with normal cost.

ASSISTANT: We found a connecting flight of fare 100 with airline Delta and number is 1008. Can I proceed?

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket has been confirmed in economy class with normal cost and return time is 1:00 AM.

USER: Thank you for helping me.

ASSISTANT: Thank you.