You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Ruth Carter here.

ASSISTANT: How can I assist you at this moment?

USER: I am planning to attend a business seminar in Houston, can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure Ruth Carter, I will help you with that. Can I have your travel dates please?

USER: Thank you for considering my request. I am planning to leave my location on 07/02 and please book my return ticket also on 07/04.

ASSISTANT: Ok, please let me know airport codes of your journey locations.

USER: Sure, I will prefer MCO and IAJ as my origin and destination airport codes respectively because those airport codes are near and convenient for me to travel.

ASSISTANT: Ok, please wait a moment to check flight availability.

USER: Sorry, IAH is my destination airport code.

ASSISTANT: I have found a flight in Spirit airlines which is having connection 0, is it ok for you?

USER: Sorry, I need a connecting flight. Please check for it.

ASSISTANT: Sorry Ruth Carter, no flight is available to you on your dates with connection 1.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to complete my journey.

ASSISTANT: Thank you for choosing us, have a good day.

USER: Thank you for the information.