You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to travel from OAK to DEN to meet my grandpa. Can you help me in booking a ticket?

ASSISTANT: Sure, let me know your travelling dates too.

USER: I am planning to travel on dates 12/26 and 12/28.

ASSISTANT: Mean while may I know your name?

USER: My name is Michelle Martinez.

ASSISTANT: Ok, I found flight for you with airline Frontier. Shall I proceed?

USER: Proceed and let me know the flight details.

ASSISTANT: Ok, your ticket has been done with the flight number 1002.

USER: Thank you for booking.

ASSISTANT: Ok, thank you for reaching us.