You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking my ticket from IAH to LGA?

ASSISTANT: Sure, may I know your good name please?

USER: Ok, my name is name is Dorothy Miller.

ASSISTANT: May I know your planned travelling dates please?

USER: Ok, my planned dates of journey are from Jun, 24 to Jun, 26.

ASSISTANT: May I know your class preference please?

USER: I am ok with any class preference.

ASSISTANT: May I know your connection limit please?

USER: Yes, I want to fly in a connecting flight.

ASSISTANT: Sorry Miller, there is no flight found as per your travelling dates.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Anyways, thank you for your service.