You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: Can you please help me to book a flight ticket from SEA to ORD?

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are July 31 to Aug 2.

ASSISTANT: Is there any connection limit?

USER: I need a single connection of flight.

ASSISTANT: Do you have any other requirements?

USER: I am a bit concerned on the safety of low-cost airlines. Please find me a well known airline.

ASSISTANT: Can you help me with your good name?

USER: Daniel Perez here.

ASSISTANT: There are no flights running currently with your required dates to travel.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for reaching us.