You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you please reserve a flight for me to travel from SFO to IAH?

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: My travel dates are Oct 15th and 17th.

ASSISTANT: Do you have any connection limit?

USER: I am fine with maximum one connecting flight.

ASSISTANT: May I know your airline preference?

USER: I am ok to fly in any airline.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Joseph Baker.

ASSISTANT: Sorry, there are no flights in this route as per your travelling dates.

USER: No problem, I will find an alternative to travel. Thank you.

ASSISTANT: Thank you for choosing us.