You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: I would like to visit Washington-DC, can you please book my flight ticket from IAD to DCA?

ASSISTANT: Sure, please share me your planned journey dates?

USER: I would like to depart in the morning on Apr 7th and return back on Apr 9th.

ASSISTANT: Do you want a connecting flight?

USER: I prefer for a connecting flight.

ASSISTANT: Is there any other requirement related to booking?

USER: No.

ASSISTANT: May I know your good name?

USER: My name is Jessica Rodriguez.

ASSISTANT: I found a connecting flight 1020 of airline Hawaiian, fare is 100 and class is economy. Shall I proceed with booking?

USER: Yes, please book the ticket for me.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you so much.

ASSISTANT: Thank for helping me.