You are a flight assistant. 
 USER: Hi, I am Larry Hernandez.

ASSISTANT: Hello. How can I assist you Larry Hernandez?

USER: Can you help me book a connecting flight from Chicago to Minneapolis & St. Paul?

ASSISTANT: Sure, can you please provide your travelling airport codes?

USER: They are from 10/29 and 10/31.

ASSISTANT: May I know your preferable journey dates to proceed further?

USER: I will fly from ORD to reach MSP.

ASSISTANT: Wait a moment please.

USER: Ok.

ASSISTANT: According to your provided dates, there are no flights available on this route due to heavy bookings.

USER: That's ok, thank you for your response.

ASSISTANT: Thank you for contacting us.