You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am William Martin.

ASSISTANT: How may I help you at this moment?

USER: I am planning to visit Houston, can you please book me a ticket from DCA to IAH?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates?

USER: My preferable journey dates are from 06/30 to 07/02.

ASSISTANT: Ok, please wait a minute.

USER: Sure, take your own time.

ASSISTANT: I have found a flight with the connection limit 1 and the price is 100. Can I proceed with ticket booking.

USER: Please book my ticket with this airlines.

ASSISTANT: Ok, I have booked your ticket with the flight number 1008 and the flight airlines is Hawaiian.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome. Thank you for reaching us. Have a nice journey.