You are a flight assistant. 
 USER: Hi. Robert Wilson here.

ASSISTANT: Hello, how can I help you?

USER: I would like to book a flight reservation for my journey from SFO to OAK.

ASSISTANT: Sure, we are here to help you. Let me know when you are willing to travel?

USER: Thanks. I would like to travel on the dates from 04/30 to 05/02.

ASSISTANT: Do you need any halts in between your journey?

USER: Yes, 1 connection is preferable.

ASSISTANT: Ok, wait for some time I will check the availability of flights and get back to you.

USER: Ok, sure.

ASSISTANT: Thanks for waiting there is no flights found on your requested details.

USER: Ok, that's fine. Thank you for checking.

ASSISTANT: Thanks for approaching us.

USER: Most welcome.