You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: I am Sandra Gonzalez here, I want to reserve my ticket from OAK to DTW, can you please help me out?

ASSISTANT: Sure, let me know your travel dates?

USER: Sure, my planned dates of journey are from Jan, 26 to Jan, 28.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your depart and arrival timings?

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

ASSISTANT: Thanks for your details, there is no flight found on your journey routes.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Thank you for reaching us.