You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: I have planned to travel on Dec 15th and return on Dec 17th.

ASSISTANT: Do you have any other specifications?

USER: I like economy class.

ASSISTANT: Let me know your name?

USER: Myself Timothy Roberts.

ASSISTANT: We found Spirit airlines with direct flight and number 1002 fare of 100, Shall I proceed for booking?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you so much.

ASSISTANT: Thanks for approaching us.