You are a flight assistant. 
 USER: Hello, my name is Helen Allen.

ASSISTANT: Hello, Helen Allen. How may I assist you?

USER: I want to book a flight ticket from TX-HOU to DC-IAD for doing shopping.

ASSISTANT: Ok. Let me know your date of journey details.

USER: My departure day is 01/27, return day is 01/29.

ASSISTANT: Please standby, I will let you know. Thanks a lot for waiting.

USER: Ok.

ASSISTANT: You have Hawaiian airline with flight number 1007 of price 100 with 1 connection. Can I proceed with your booking?

USER: Yes, please.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for your service.

ASSISTANT: Thank you, have a nice journey.