You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Nicole Martinez. I want to organize an event at TX-DFW. Can you book a connecting flight?

ASSISTANT: Sure, we are here to help you. May I know your travelling dates for booking purpose?

USER: My travelling dates are 11/12 and 11/14.

ASSISTANT: Let me know your source point?

USER:  I will depart from TX-IAH.

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: Thanks for waiting there is no flights found on your details.

USER: OK, thank you for your response.

ASSISTANT: Thanks for choosing us.