You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to attend a meeting at EWR, so can you book a flight from IAH?

ASSISTANT: Sure, I am glad to help you. When are you planning to start and return?

USER: I would like to start my journey on Oct 10 and I will be return on Oct 12.

ASSISTANT: Ok, please share your airline preference.

USER: I am fine with any airlines.

ASSISTANT: Can I have your name please?

USER: Sure, I am Gregory Allen.

ASSISTANT: Do you prefer a connecting flight or a direct flight?

USER: I prefer connecting flight.

ASSISTANT: Do you have any other concerns?

USER: No.

ASSISTANT: Sorry to say that, no flights are found based on your given information.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for choosing us.