You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Jessica Davis. I need your help in booking my ticket, can you help me?

ASSISTANT: Sure, can you help me with the travelling dates?

USER: Yes, my planning dates are from 05/01 to 05/03.

ASSISTANT: May I know your airport codes?

USER: My source airport code is LAS and my destination is IAD.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: There is a flight in airline Frontier with number 1017. Can I book it?

USER: That's great, please proceed in booking my ticket.

ASSISTANT: Your ticket is reserved, happy journey.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.