You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am Sandra Jackson. Can you please book a flight ticket from SFO to  SEA?

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

USER: Sure, I need to travel on dates of 03/19 and 03/21.

ASSISTANT: Please wait a moment to check the flights.

USER: Sure, take your time.

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 UA airlines. Shall I proceed with this?

USER: That is fine, please proceed with booking.

ASSISTANT: Ok, your ticket has been booked in flight number 1027.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching to our services, have a great journey.

USER: Most welcome.