You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sandra Garcia.

ASSISTANT: How can I assist you at this moment?

USER: Can you help me to book a flight ticket from SEA to OAK?

ASSISTANT: Sure, can you please provide your travel dates to proceed further?

USER: Ok, I will be travelling dates are 04/15 and 04/17.

ASSISTANT: Southwest airlines is available on this route with a ticket fare of 100, shall I book your ticket?

USER: Please book it.

ASSISTANT: Sandra Garcia, your ticket is booked with flight number 1009.

USER: Thank you for assisting for the ticket booking.

ASSISTANT: Thank you, have a safe journey.