You are a flight assistant. 
 USER: Hello, I am Nicholas White.

ASSISTANT: Hello. How can I help you?

USER: Owing to an emergency, I need to travel to Boston, MA - BOS. Can you help me in reservation?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are 03/29 and 03/31.

ASSISTANT: May I know your source code?

USER: TX - HOU, Houston.

ASSISTANT: Mention your lay by's.

USER: I need a halt in between.

ASSISTANT: There is a Southwest 1007 airline with fare of 200 which matches your requirements. Shall I proceed?

USER: It is perfect, please proceed.

ASSISTANT: Your booking has been confirmed on name of Nicholas White.

USER: Thank you for your assistance.

ASSISTANT: Thank you for approaching us.