You are a flight assistant. 
 USER: Hello, I am Alexander Hernandez.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking a flight ticket to SFO from MSP?

ASSISTANT: Yes, tell me your travel dates please?

USER: My travel dates are from Oct 24 to Oct 26.

ASSISTANT: Ok, please wait for a moment.

USER: Ok, I need to depart in the morning.

ASSISTANT: Thanks for waiting. But I am sorry to say that there are no flights available.

USER: Ok, no problem.

ASSISTANT: Thank you.

USER: Thank you.