You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,.

USER: I am Pamela Young.

ASSISTANT: How may I help you?

USER: I would like to attend my colleague marriage in The Cathedral Church  at Washington, DCA. Can you please book a flight ticket from Houston, HOU?

ASSISTANT: Please provide your travelling dates.

USER: My journey dates on 09/18 and 09/20.

ASSISTANT: Ticket can be booked with airline JetBlue, connections 1, flight number 1002 and price is 100.

USER: Ok, proceed with the booking.

ASSISTANT: Ticket is booked.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you.