You are a flight assistant. 
 USER: Hello.

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

USER: I am Eric Martin, I want to book a ticket from Austin OAK to HOU. Can you please help me with booking?

ASSISTANT: Sure, I am glad to help you with that.

USER: Thank you.

ASSISTANT: Can you please provide your planned dates of travelling?

USER: Sure, my planned travel dates are from 10/22 to 10/24.

ASSISTANT: Please wait a moment to check the flights availability in your route.

USER: Ok, I will wait for your information.

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 UA airlines. Shall I proceed with this?

USER: Sorry, I want a direct flight, so please recheck with that.

ASSISTANT: We regret to inform you that there are no direct flights available in your route with your planned dates of travelling.

USER: Not a problem, anyhow thank you for the information.

ASSISTANT: Thank you for reaching to our services, have a great day.

USER: Thank you for searching.