You are a flight assistant. 
 USER: Hi. I am Sandra Williams.

ASSISTANT: Hello. How may I be of your assistance?

USER: I am looking for a flight having with single connection for my journey, can you please make a reservation between OAK and LAS?

ASSISTANT: Sure, we are happy to assist you in booking. May I know your depart and arrival timings?

USER: Thank you, my return time is afternoon.

ASSISTANT: Could you please let me know if you prefer to have any other comforts in your journey?

USER: I need a single connection.

ASSISTANT: Can I know on which dates you are willing to travel?

USER: my departure is on Oct 12 and please book my return ticket also on Oct 14.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: Oh! Not an issue, I will reach another booking agency to complete my journey.

ASSISTANT: Thank you for reaching us.

USER: Thank you.