You are a flight assistant. 
 USER: Hello, I am David Wright.

ASSISTANT: Hello what kind of service you are expecting from us?

USER: I want to visit My brother hometown in BOS, can you help me with single connection of flight?

ASSISTANT: Sure, I can help you to provide better flight. Help me with your travel dates that you are willing to travel?

USER: My depart is on 12/11 and return on 12/13.

ASSISTANT: Ok, I need your origin airport code?

USER: My origin is SFO.

ASSISTANT: Economy class tickets are still available in Frontier airline plane on your route. Shall i proceed?

USER: OK, proceed with booking.

ASSISTANT: Ok, your reservation has been made with 1026 flight.

USER: Thank you.

ASSISTANT: Thanks for making us to serve you.