You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, may I know your name?

USER: I'm Linda Martin.

ASSISTANT: How can I aid you today, Linda?

USER: Please book a ticket from Houston, TX-IAH to Seattle, WA-SEA.

ASSISTANT: Sure, when will you want to travel?

USER: Depart is on 01/09 and return will be 01/11.

ASSISTANT: Ok, please wait a moment to check the availability.

USER: Sure.

ASSISTANT: Linda, there is a flight available from Hawaiian airline at a price of 100 with a halt. Can I proceed?

USER: Please book ticket.

ASSISTANT: Your reservation has been done with flight number 1021.

USER: Thanks.

ASSISTANT: Thank you for picking us.