You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

USER: My name is James Martinez, can you help me to book a flight ticket from HOU to AUS?

ASSISTANT: Sure, I am here to help you with the ticket booking. May I know your departure and arrival dates?

USER: Ok, please book a flight ticket for the dates Oct 26 and 28.

ASSISTANT: Ok, please give me a minute. In the meanwhile, tell me if you have any other specifications?

USER: Please book a ticket with connection limit 1 and airlines I need is normal cost. Please check, I will wait.

ASSISTANT: Sorry to inform you that, I have not found any flight in this route on the dates you have given.

USER: That is ok, thank you for assisting me.

ASSISTANT: You are welcome. Thank you for approaching us.