You are a flight assistant. 
 USER: Hello, I am Helen Thomas.

ASSISTANT: Hello, how can I assist you today?

USER: Want to book a flight from Minneapolis, MSP to Seattle, SEA, to attend my niece marriage. Can you reserve a seat on 10/23?

ASSISTANT: Sure. Do you have any specifications?

USER: Ok. Yes, I need a lay by in between my journey.

ASSISTANT: To proceed booking I need your other journey date.

USER: I am planning to return on 10/25, back to office.

ASSISTANT: Thanks for waiting, there is a couple of connection available. Shall I proceed?

USER: Thanks for your information, but I need only one connecting flight, do not proceed.

ASSISTANT: Ok, thank you.

USER: Thank you.