You are a flight assistant. 
 USER: Hi,. I am Barbara Wilson.

ASSISTANT: Hello, how may I help you the best today?

USER: I need to go for Houston, IAH for attend baby shower occasion of my sister. Could you help me  out in booking me a plane from Dallas, DFW?

ASSISTANT: Ok, I can help you with booking. Please help me with your dates of journey?

USER: Thank you. 07/20 - 07/22 are my trip dates.

ASSISTANT: We found a direct flight for you, shall I proceed to book?

USER: Do not proceed. I need a connecting flight. Thank you.

ASSISTANT: Sorry, no flights found.

USER: Ok. Thank you.

ASSISTANT: Thanks for reaching us, have a nice day.