You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jessica Jackson here.

ASSISTANT: How can I assist you at this moment?

USER: I have to attend a seminar on spirituality, so please book my ticket from IAH to DCA.

ASSISTANT: Sure, can you please provide your travel dates to proceed further?

USER: My trip dates are 04/18 and 04/20.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: JetBlue airlines is available on this route with a ticket fare of 200, shall I book your ticket?

USER: Please book my ticket.

ASSISTANT: Jessica Jackson, your ticket is booked with flight number 1026.

USER: Thank you.

ASSISTANT: Thank you, have a safe journey.