You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, welcome to flight booking agency.

USER: Myself Melissa Taylor.

ASSISTANT: How can I assist you today?

USER: Can you please book a flight ticket from SFO to DEN locations?

ASSISTANT: Sure, can you please share your preferable travel dates?

USER: My travelling dates are from 01/25 and 01/27.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Sure.

ASSISTANT: Melissa, I found a flight available with price fare 100 and the connection limit is 0 with Frontier airline.Would you like me to proceed the booking?

USER: Ho! no, can you please check with 1 connection of flight?

ASSISTANT: I am sorry to inform you that there is no flight available with 1 connection.

USER: It's ok. Anyway, thank you for the information.

ASSISTANT: You are welcome. Thank you for contacting us.