You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I want to meet my friend at IAH, can you please help me in booking a flight ticket from SFO?

ASSISTANT: Sure, may I know your name please?

USER: I am Nancy Evans.

ASSISTANT: Ok, may I know on which dates you are willing to travel?

USER: I want to start my journey on Dec 6th and return on Dec 8th.

ASSISTANT: Ok, may I know your class preference please?

USER: I prefer an economy class to travel.

ASSISTANT: Ok, may I know your connection limit please?

USER: I want a single connection in between my journey.

ASSISTANT: Do you have any other specifications please?

USER: No.

ASSISTANT: There is a connecting flight of fare 100 with economy class in Frontier airline, are you ok with this booking?

USER: Yes, please proceed.

ASSISTANT: Ok, I have reserved your flight ticket with flight number 1016.

USER: Thank you.

ASSISTANT: You are welcome.