You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Dennis Adams here.

ASSISTANT: How can I favour you?

USER: I want to participate in Boston marathon, so please book my ticket from Detroit.

ASSISTANT: Dennis Adams, can you please mention your travelling dates for the following journey?

USER: My itinerary dates are 05/20 and 05/22.

ASSISTANT: What are your airport location codes for this journey?

USER: My genesis and terminus airport codes are DTW and BOS.

ASSISTANT: Ok, give me a moment to check for the availability.

USER: Sure.

ASSISTANT: Flight-1027 is available for you with 1 connection at the ticket price of 100, can I proceed with booking?

USER: Please book my ticket.

ASSISTANT: Your ticket is confirmed with a flight by Frontier airlines.

USER: Thank you for your expeditious service.

ASSISTANT: Thank you for choosing our assistance.