You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Deborah Walker here.

ASSISTANT: How may I assist you at this moment?

USER: I have to attend a seminar on core engineering sector, could you book my ticket from SFO to SEA?

ASSISTANT: Sure, I am glad to help you. Can you please provide your planned dates of travelling?

USER: My itinerary dates are 04/17 and 04/19.

ASSISTANT: Ok, please wait a moment to check the flights availability.

USER: Sure.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by Delta airlines. Shall I proceed with this?

USER: Please proceed.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1028.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a great journey.