You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how could I render you today?

USER: I am Mary Gonzalez. I am planning to meet my friend at Seattle, SEA. Can you please book a ticket for me?

ASSISTANT: May I know when would you like to travel?

USER: I want to start my journey on 11/05.

ASSISTANT: Could you please share me your boarding point?

USER: Source code is Detroit, DTW.

ASSISTANT: Kindly mention your return date?

USER: I will return on 11/07.

ASSISTANT: There is an airline called Frontier of flight number 1005 and fare is 200. Can I book it for you?

USER: You can proceed.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us.