You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Daniel Roberts here. I need to reserve a ticket from IAH to OAK, could you help me?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: My journey dates are Jan 05 to 07.

ASSISTANT: Ok, let me know your connection limit.

USER: I need a stopover.

ASSISTANT: Ok, do you have any time preferences?

USER: I need to depart in morning.

ASSISTANT: Sorry, no flights are available on your route.

USER: Ok, no issues. Thank you for the help.

ASSISTANT: Welcome, have a nice day.