You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Patricia Miller here, I want to reserve my ticket from DCA to CLT, can you please help me out?

ASSISTANT: Let me know your travelling dates.

USER: Sure, my planned dates of journey are from Jun, 30 to Jul, 02.

ASSISTANT: Do you have any preference?

USER: Yes, I need a economy class.

ASSISTANT: Connecting flight can be booked with airline Hawaiian for price 100 having flight number 1019.

USER: Ok, you can proceed with this booking.

ASSISTANT: Ticket is booked.

USER: Thank you for your help in booking.

ASSISTANT: Thank you.