You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Myself Jacob Lewis. I need to meet my friend in Fort Worth, can you please reserve flight ticket from SEA and DFW?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travelling dates are Nov,21 and Nov,23.

ASSISTANT: Could you please provide the departure and return time?

USER: My return time should be in the evening.

ASSISTANT: Do you have any requirements?

USER: I need a single connection for my travel.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to complete my journey.

ASSISTANT: Thank you for approaching us.

USER: Thank you for the information.'.