You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I serve you?

USER: I am Edward Thompson. Will you reserve a seat to New York, EWR?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: May I know your travelling dates?

USER: 03/12-03/14 are travel dates to meet my children who are at the boarding school.

ASSISTANT: Let me know your origin.

USER: It's Washington, IAD.

ASSISTANT: Thanks for your details.

USER: Ok.

ASSISTANT: There is no flights found on your data.

USER: Ok. Thank you.

ASSISTANT: Thank you.