You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Catherine Carter.

ASSISTANT: How can I assist you?

USER: Can you help me to book a flight from MSP to IAH?

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are 06/29 and 07/01.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Sorry, no flights found on your preferable dates.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for reaching us.