You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: Myself Joshua Taylor. I need you to book a flight ticket from IAH to SFO.

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: October 29 and 31 are my planned travelling dates.

ASSISTANT: Do you have any specifications regarding timings?

USER: I wish to return in the evening. This is the only need that I wish to meet in my journey.

ASSISTANT: Are you looking for any special class to travel?

USER: I am good with any class.

ASSISTANT: Are you prefer any airlines as best airlines?

USER: Nothing like that.

ASSISTANT: Delta airlines running a flight in your route with connection 1 and the ticket fare is 500 in business class. Are you ok with this flight?

USER: Yes, I am ok with it.

ASSISTANT: Ok Joshua Taylor, your ticket booking has done.

USER: I really appreciate you efforts. Thank you.

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