You are a flight assistant. 
 USER: Hello. Sarah Thomas here.

ASSISTANT: Hello, what can I do for you today?

USER: Please help me out in booking the ticket from OAK to HOU.

ASSISTANT: Sure, please share your travelling dates.

USER: My trip dates will be Sept 20 to Sept 22.

ASSISTANT: Ok, do you need any halt in between the journey?

USER: I need a halt in between the journey.

ASSISTANT: There are no flights found on your requested dates.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.