You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I support you?

USER: I am Joshua Phillips here. I want to reserve my ticket from IAD to BOS, can you please help me?

ASSISTANT: Sure, Please provide me your planned travel dates to proceed.

USER: Sure, my preferable dates of journey are from Feb, 17 to Feb, 19.

ASSISTANT: Do you prefer either economy or business class?

USER: No, I am flexible with any class.

ASSISTANT: We have a connecting flight from Frontier airline, number 1018 and the price is 100. Shall I proceed with the booking?

USER: Ok, please book it.

ASSISTANT: Your ticket has been confirmed in economy class. The depart time and return time is in the morning.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for reaching us.