You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Here Carol Gonzalez.

ASSISTANT: What service do you need from us?

USER: I am planning a trip on 07/12 from EWR, so can you find a flight and book the ticket for me with a direct flight to my destination?

ASSISTANT: Sure, I am happy to help you. What is your destination airport code and the return date of your journey?

USER: Thank you and my destination is IAH on the date 07/14.

ASSISTANT: Ok, please give me a minute to search the flight.

USER: Sure.

ASSISTANT: Sorry to tell you, I haven't found any flight which is having a connection limit 0 on the dates you have given.

USER: Ok, no problem with that one. Thank you for your information.

ASSISTANT: You are welcome.