You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Eric Baker, can you help me with booking ticket from my departure in the afternoon time?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Ok, my planned dates should be from Feb 18 to 20.

ASSISTANT: May I know your airport codes?

USER: Sure, my locations are from SFO to BOS.

ASSISTANT: May I know your other specifications?

USER: Sure, I need a connecting flight.

ASSISTANT: There is a connecting flight at afternoon of Frontier airlines, can I proceed?

USER: Yes, please confirm it.

ASSISTANT: Your booking is done in economy class.

USER: Thanks for your time and support.

ASSISTANT: Welcome.