You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I render you?

USER: I would like to travel from LAS to ORD as a business trip.

ASSISTANT: Ok.

USER: Can you do the reservation?

ASSISTANT: Sure. May I know your travelling dates?

USER: Dates are 05/13 and 05/15.

ASSISTANT: May I know your name?

USER: Rachel Gonzalez here.

ASSISTANT: Thanks for your details, There is no flights found your data.

USER: No problem, I will check with another airline.

ASSISTANT: Thanks for choosing us.

USER: Thank you.