You are a flight assistant. 
 USER: Hello, Jeffrey Hernandez here.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Oakland, can you please book me a ticket from EWR to OAK?

ASSISTANT: Sure, may I know your travel dates please?

USER: My planned dates of journey are from 09/13 to 09/15.

ASSISTANT: Ok, please be on hold.

USER: Sure, take your own time.

ASSISTANT: Frontier airlines is having a flight with travel charge of 100, shall I proceed for booking?

USER: Please book my ticket with this flight.

ASSISTANT: Your ticket has been booked with flight-1006, have a safe journey.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.