You are a flight assistant. 
 USER: Hello. I am Debra Taylor.

ASSISTANT: Hello, how may I oblige you?

USER: Please book me a from SFO to DTW to meet my family.

ASSISTANT: Sure, can I know your journey dates?

USER: I have planned to travel on 09/17 and 09/19.

ASSISTANT: Do you have any specifications?

USER: Please make sure the fare limit should not exceed 5000.

ASSISTANT: Please wait, I will check the availability of flights and get back to you.

USER: Ok.

ASSISTANT: We found a connecting flight for you, flight details are as UA airline, fare 100 and flight number 1011. Shall I proceed to book?

USER: Yes, please book this ticket.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.