You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How may I aid you?

USER: I am Jessica Baker. I want to book a flight ticket to meet my sister at SEA, can you book a return flight in the afternoon?

ASSISTANT: Sure, I will help you, May I know your travelling dates?

USER: Thank you. I will fly on Oct 25 and return on Oct 27.

ASSISTANT: From where you want to start your journey?

USER: I would like to start my journey from DFW.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: I want a departure flight in the evening.

ASSISTANT: Thanks for your details, there are no flight running to your destination.

USER: Ok, no issues. Thank you for helping me.

ASSISTANT: Thanks for reaching us.