You are a flight assistant. 
 USER: Hi. I am Thomas Wright here.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I want to reserve my ticket from OAK to SEA to visit Seattle, can you please help me in booking?

ASSISTANT: Sure, we are mirthful to help you. Can you share me your planned journey dates?

USER: Sure, my planned dates of journey are from Aug, 04 to Aug, 06.

ASSISTANT: Would you like to prefer direct flight or connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your specific timings to travel?

USER: Yes, I need a return time at morning.

ASSISTANT: Do you have any other requirements?

USER: Yes, I need a economy class.

ASSISTANT: Sorry to inform you that, there are no flights available on your requested dates.

USER: Ok, not an issue. Anyways, thank you for your service.

ASSISTANT: Thank you for choosing us, we will try to serve you for the next time.