You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Raymond Brown. I need to attend a function in Houston so please book a flight ticket from OAK to HOU.

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable dates of travelling?

USER: Thank you. I have planned to travel on dates of Nov 29 and Dec 01.

ASSISTANT: Do you have any specifications?

USER: Yes, I would prefer to return in morning time.

ASSISTANT: Please wait a moment to check the flights on your route.

USER: Sure, take your time.

ASSISTANT: Based on your travel details, I have found a flight with a single connection with a fare of 100 from Southwest airlines. If you are ok with this, please inform me to book the flight.

USER: That is fine, please proceed with booking.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1011 in economy class.

USER: Thank you for your help.

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

USER: Most welcome.