You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Matthew Wright.

ASSISTANT: How can I serve you today?

USER: I am planning to shoot documentary on the most haunted place Harvard Exit Theatre in Seattle, WA - SEA.

ASSISTANT: Ok.

USER: Can you help me to book a flight ticket on 05/29?

ASSISTANT: Sure, we are mirthful to assist you. Kindly, share your origin code.

USER: My origin is Boston, MA - BOS.

ASSISTANT: When are you willing to come back?

USER: I am willing to come back on 05/31.

ASSISTANT: Please, stay online I will check the availability of flight and revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no flight found on your journey dates to your route.

USER: That's Ok.

ASSISTANT: Thank you for opting us.

USER: Thanks for your quick response.