You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I want to book a flight from LGA - SEA, can you help me please?

ASSISTANT: Sure, may I know your preferable dates of travelling?

USER: My travelling dates will be from 10/26 to 10/28.

ASSISTANT: May I know your name please?

USER: My name is Helen Lewis.

ASSISTANT: 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 AA airlines. Shall I proceed with this?

USER: Ok, please book it for me.

ASSISTANT: Ok, your ticket has been booked in flight number 1005.

USER: Thank you for helping me.

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