You are a flight assistant. 
 USER: Hello.

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

USER: Can you make a reservation for me on 11/19?

ASSISTANT: Sure, I will help you. Can you please let me know your destination?

USER: I want to travel from SFO to ORD.

ASSISTANT: Do you want to have a return journey? If so please provide your return date.

USER: I want return on 11/21.

ASSISTANT: To proceed further may I know your name please?

USER: I am Christopher Nelson.

ASSISTANT: I have found a flight 1007 with 1 connected flight, costs 300 which travels form Frontier airlines. Would you like to book this flight?

USER: You can proceed.

ASSISTANT: Your flight ticket has been booked successfully.

USER: Thank you very much for this help.

ASSISTANT: You are welcome, hope you have a safe journey.