You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I provide assistance to you?

USER: I want to attend a live music concert at SFO, can you please book me a ticket from IAD?

ASSISTANT: Sure, may I know on which dates you prefer to travel?

USER: My travel dates are from Jan 1st to Jan 3rd.

ASSISTANT: Please mention your class preference.

USER: No, I don't have a class preference.

ASSISTANT: May I know your name please?

USER: I am Andrew Adams.

ASSISTANT: Do you need any stopover in between journey?

USER: Yes, I need a stopover in between my journey.

ASSISTANT: Is there any more specifications?

USER: No.

ASSISTANT: We found a connecting flight with Frontier airlines, flight number 1011, price is 100 in economy class. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.