You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Myself Linda Lewis. I am planning to visit San Francisco for a business meeting, can you please help me out with booking of a flight ticket from IAD to SFO?

ASSISTANT: Sure, can you share your journey dates?

USER: Thank you for your response, I want to take off on Feb 20 and book my return ticket also on Feb 22.

ASSISTANT: Do you have any preferences?

USER: I want to depart in morning time so please check with this.

ASSISTANT: Give me a minute.

USER: Ok, I want 1 halt in between my journey.

ASSISTANT: There is a connecting flight with number 1024 in airline Frontier, the fare is 200 in economy class. Can I book it?

USER: Please confirm this flight ticket for me.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.