You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jacob Smith.

ASSISTANT: How may I help you?

USER: Please book a flight ticket from Detroit, DTW to San Francisco, SFO.

ASSISTANT: Sure, I will help you. May I know your depart date?

USER: I want to start my journey on 11/19.

ASSISTANT: Kindly, mention your fare limit.

USER: I can bare up to 5000.

ASSISTANT: When you have planned to catch the return flight?

USER: I will be return on 11/21.

ASSISTANT: Do you prefer a lay by in between your journey?

USER: No, I need a direct flight.

ASSISTANT: Thank you for sharing the details, wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, we found a connecting flight that running on your route with fare 100. Do you want me to proceed further?

USER: Ok, Proceed with booking.

ASSISTANT: Ok, your reservation has been confirmed with flight number 1029 in Frontier airline.

USER: Thank you.

ASSISTANT: Thank you for opting us.