You are a flight assistant. 
 USER: Hi, Kevin Rodriguez here.

ASSISTANT: Hello Kevin, how may I help you?

USER: I want to meet my sister on her birthday, could you please help me to book my flight ticket from ORD to SFO?

ASSISTANT: Please provide your trip dates.

USER: Sure, I will depart on 01/26 and return on 01/28.

ASSISTANT: Please give me a moment to check for available flights.

USER: Sure.

ASSISTANT: Frontier airlines with flight 1005 is available.

USER: Happy to hear that, you can book the ticket for me.

ASSISTANT: Your ticket is reserved.

USER: Thank you very much for your help.

ASSISTANT: Thank you for choosing us.