You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to travel from LGA to DTW. Can you help me to book a flight ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I want to travel in the flight on Jan 26 and Jan 28.

ASSISTANT: Do you have any limits on number of connections?

USER: I want to travel in a connecting flight.

ASSISTANT: Do you have any another specifications on your journey?

USER: I prefer normal-cost airline.

ASSISTANT: May I know your name?

USER: Jennifer Brown.

ASSISTANT: Sorry, no flights are available on your required dates.

USER: That's ok. Anyways, thank you.

ASSISTANT: Welcome, thank you for reaching us.