You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I know your name?

USER: Myself Dorothy Lewis here.

ASSISTANT: How may I help you?

USER: I want to travel from MCO to BOS to meet my cousin at Boston.

ASSISTANT: Ok, may I know travelling dates?

USER: My dates of travel is from 01/21 to 01/23.

ASSISTANT: Unfortunately, no flights on your preferable dates.

USER: That's fine.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your information.