You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Nancy Hernandez.

ASSISTANT: How may I guide you today?

USER: Can you help me in booking from IAH to MSP?

ASSISTANT: Sure, I will help you with that.

USER: Ok.

ASSISTANT: Can you please share your preferable journey dates?

USER: My trip dates are 01/25 to 01/27.

ASSISTANT: Please wait fora minute.

USER: Sure, I will stand by.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: No issue, thank you for checking.

ASSISTANT: Thank you for contacting us.