You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Larry Allen.

ASSISTANT: How may I serve you now?

USER: Book a ticket from SEA to JFK under a fare of 5000.

ASSISTANT: Sure. May I know, when would you like to start your journey?

USER: I want to start on 01/22 and return on 01/24.

ASSISTANT: Will you prefer a lay by in between your journey?

USER: Yes, I need one lay by.

ASSISTANT: Please wait a moment, I will check the flight availability and let you know.

USER: OK, be fast.

ASSISTANT: Thank you for your time. There is a connecting flight available with fare 700 in Delta airline having 1007 number. May I proceed?

USER: Ok, please proceed.

ASSISTANT: Your reservation has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.