You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I need you to book a flight ticket from DTW to SEA, please help me.

ASSISTANT: Sure, may I know your travel dates?

USER: February 07 and 09, are my planned travelling dates.

ASSISTANT: Do you have any specifications?

USER: Nothing much to state.

ASSISTANT: Please share me your name.

USER: Robert Lopez here.

ASSISTANT: Flight-1029 is available with Frontier airlines having single connection and the ticket costs you 100 only in economy class. Are you comfortable with this flight?

USER: Yes, I am.

ASSISTANT: Your ticket has been reserved.

USER: Great! Thank you.

ASSISTANT: Thank you.