You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Joseph Martin.

ASSISTANT: How shall I help you?

USER: I would like to visit Houston so please help me with flight ticket booking from HOU to IAH.

ASSISTANT: Sure, please let me know the dates of your journey.

USER: Sure, I need to travel on dates of 12/09 and 12/11.

ASSISTANT: Give me some time to find a better flight ticket on your dates.

USER: Sure, take your time.

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 Delta airlines. Shall I proceed with this?

USER: That is fine, please proceed with booking.

ASSISTANT: Ok, the ticket booking is done 1020 flight number.

USER: Thank you for your help.

ASSISTANT: Have a happy journey. You are most welcome.