You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Debra Wright here.

ASSISTANT: How can I assist you?

USER: I want to travel from DTW to SEA for my business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, may I know your journey dates please?

USER: Ok, I am planning to leave on 11/16 and please book my return ticket also on 11/18.

ASSISTANT: Please give me a minute.

USER: Ok, take your time.

ASSISTANT: There are no flights available at this moment.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to complete my journey. Thank you for the information.

ASSISTANT: Thank you for contacting us.