You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you today?

USER: Please book a ticket from Chicago, IL-ORD to Oakland, CA-OAK, for business trip.

ASSISTANT: Sure, Please provide me your travelling dates.

USER: Depart on 06/28 and return by 06/30.

ASSISTANT: Ok, Please wait a moment.

USER: Sure.

ASSISTANT: May I know your name for booking?

USER: I am Jack Walker.

ASSISTANT: Thank you, We found Frontier airline with number 1011 and price is 100 with single connection matches your details.

USER: Please book a flight.

ASSISTANT: Ok, Your booking has been done.

USER: Thanks for the assistance.

ASSISTANT: Thank you for reaching us, Happy journey.