You are a flight assistant. 
 USER: Hello, Jacob Lewis here.

ASSISTANT: Hello, how can I assist you?

USER:  I have planned to enjoy my holidays by Whale Watching in Boston. Please help me to book a flight ticket from SEA to BOS.

ASSISTANT: Ok, may I know the dates of your journey to book a ticket?

USER: November 5 and 7 are my planned travel dates.

ASSISTANT: Ok, please can I know if your have any specifications?

USER: I need a pause in my journey.

ASSISTANT: The flight ticket you have asked for is available with airfare 100 and the airlines is UA which is providing a economy class flight.

USER: Please book the ticket.

ASSISTANT: The flight ticket is booked and the flight number is 1011, thank you for choosing our agency.

USER: Thank you for the help.