You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Paul Thomas.

ASSISTANT: How can I assist you at this moment?

USER: I have a urgent business work at Houston. Can you please help me in booking the ticket from PHL to IAH?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates to proceed further?

USER: I am willing to travel on 01/21 and again I will retrieve on 01/23.

ASSISTANT: Wait a moment please.

USER: Sure, I will wait for your response.

ASSISTANT: There is a service with Southwest airlines with a ticket fare of 100 and 1 connection limit, shall I book your ticket?

USER: Yes, I think that can work for me. Please proceed with that.

ASSISTANT: Paul Thomas, your ticket is booked with flight number 1027.

USER: Thank you very much for reserving the ticket.

ASSISTANT: Thank you, have a safe journey.