You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Timothy Martin here.

ASSISTANT: How can I assist you today?

USER: I am looking for a flight with price below 500. Can you book it?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My travel dates would be from 01/27 to 01/29.

ASSISTANT: Please provide your airport codes that you want to travel.

USER: My airport codes for boarding the flight are SFO to DTW.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight with price 200 and the connections 1 is available.

USER: I need a direct flight. Can you check for that?

ASSISTANT: There is no flights found under connections 1.

USER: That's fine I will check with other airline. Thank you.

ASSISTANT: Welcome, have a great day.