You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I have to attend for a seminar in IAD. Can you please book a flight from SFO?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, I want to travel on Jan 23 and need to return on Jan 25.

ASSISTANT: Do you have any specifications?

USER: I need a flight with single connection.

ASSISTANT: May I know your name?

USER: I am Alexander Clark.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: We found an airline Frontier with flight 1005 having a fare 100 with stopover. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you.