You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to book a ticket from MSP to OAK, can you please help me out?

ASSISTANT: Sure, please share me your trip dates.

USER: I am travelling on these dates March 11th and 13th.

ASSISTANT: Is there any class preferences for you?

USER: I don't have any class preference.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a direct flight.

ASSISTANT: May I know your airline preferences?

USER: I don't have any other preferences.

ASSISTANT: For booking, we need your good name. Please provide it.

USER: Timothy Thompson here.

ASSISTANT: We found a Spirit airline and 1027 is flight number with a fare of 100. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for your services.

ASSISTANT: Thank you for opting us.